III. Reorder the words to make sentences (Sắp xếp các từ...">
K
Khách

Hãy nhập câu hỏi của bạn vào đây, nếu là tài khoản VIP, bạn sẽ được ưu tiên trả lời.

III. Reorder the words to make sentences (Sắp xếp các từ thành câu hoàn chỉnh)

 

1.    is/ my/ this/ school?

 

...................................................................................................................................

 

2.    thu’s / is/ small/ house.

 

...................................................................................................................................

 

3.    students/ are/ there/ hundred/ nine/ school/ in/ the.

 

...................................................................................................................................

 

4.    book/ is/ there/ desk/ in/ the/ a.

 

...................................................................................................................................

 

5.    on/ the/ is/ classroom/ my/ second/ floor.

 

...................................................................................................................................

 

6.    housework/ do/ you/ the/ do/ day/ every?

 

...................................................................................................................................

 

7.    from/ I / past/ eleven/ seven/ to/ quarter/ classes/ have/ a.

 

...................................................................................................................................

 

8.    o’clock/ at/ go/ I / bed/ ten.

 

...................................................................................................................................

 

9.    tuesday/ have/ we/ history/ on.

 

...................................................................................................................................

 

10. friday/ on/ does/ lan/ math/ have?

 

...................................................................................................................................

11. get up / breakfast / time / father / and / your / have / what / does ?

 

....................................................................................................................................

 

12. country / it’s / in / house / the / is / small / Ha’s / and .

 

....................................................................................................................................

 

13 cities / there / country / how / are / your / in / many ?

 

....................................................................................................................................

 

14. island/ get/ did/ family/ how/ your/ to/ Phu Quoc/?

 

....................................................................................................................................

 

15. every / school / Jane / morning / eight / to / o’clock / goes / at .

 

.........................................................................................................................................

16. you / How  / learn / do / English / ? /

………………………………………………………………………………………?

17. read / Do / you / books / your / free time / in / ? /

………………………………………………………………………………………?

18. lessons / How / you / today / have / many  / do / ? /

………………………………………………………………………………………?

19. you / Did / to / go / party / the / ? /

………………………………………………………………………………………?

 

20. holiday / where / go / you / did / on / ?

……………………………………………………………………………………..?

 thank you 

7
27 tháng 12 2023

Mình chỉ làm vài câu thôi nhé!

4.There is a book in the desk

8.I go bed at ten o'clock

1.This is my school

16.How do you learn English?

18.How many do you have lessons today

19.Did you go to the party?

27 tháng 12 2023

Mình bổ sung thêm nhé

9.We have history on Tuesday

2.Thu's is small house

28 tháng 12 2023

III. Reorder the words to make sentences (Sắp xếp các từ thành câu hoàn chỉnh)

 

1.    is/ my/ this/ school?

 

...............Is this my school?....................................................................................................................

 

2.    thu’s / is/ small/ house.

 

.............Thu's house is small......................................................................................................................

 

3.    students/ are/ there/ hundred/ nine/ school/ in/ the.

 

..............There are nine hundred students in the school.....................................................................................................................

 

4.    book/ is/ there/ desk/ in/ the/ a.

 

.............There is a book on the desk......................................................................................................................

 

5.    on/ the/ is/ classroom/ my/ second/ floor.

 

My classroom is on the second  floor...................................................................................................................................

28 tháng 12 2023

6.    housework/ do/ you/ the/ do/ day/ every?

 

Do you do the homework everyday?...................................................................................................................................

 

7.    from/ I / past/ eleven/ seven/ to/ quarter/ classes/ have/ a.

 

..............I have classes from seven to a quarter past eleven.....................................................................................................................

 

8.    o’clock/ at/ go/ I / bed/ ten.

 

............I go to bed at ten o'clock.......................................................................................................................

 

9.    tuesday/ have/ we/ history/ on.

 

..............We have history on tuesday.....................................................................................................................

 

10. friday/ on/ does/ lan/ math/ have?

 

...............Does Lan have Math on Friday?....................................................................................................................

28 tháng 12 2023

11. get up / breakfast / time / father / and / your / have / what / does ?

 

.......What time does your father get up and have breakfast?.............................................................................................................................

 

12. country / it’s / in / house / the / is / small / Ha’s / and .

 

...............Ha's house is small and it's in the country.....................................................................................................................

 

13 cities / there / country / how / are / your / in / many ?

 

............How many cities are there in your family?........................................................................................................................

 

14. island/ get/ did/ family/ how/ your/ to/ Phu Quoc/?

 

...............How did your family get to Phu Quoc island?.....................................................................................................................

 

15. every / school / Jane / morning / eight / to / o’clock / goes / at .

 

...............Jane goes to school at eight o'clock every morning..........................................................................................................................

28 tháng 12 2023

16. you / How  / learn / do / English / ? /

……………How do you learn English?…………………………………………………………………………?

17. read / Do / you / books / your / free time / in / ? /

……………Do you read books in your free time?…………………………………………………………………………?

18. lessons / How / you / today / have / many  / do / ? /

………How many lessons do you have today?………………………………………………………………………………?

19. you / Did / to / go / party / the / ? /

………Did you go to the party?………………………………………………………………………………?

 

20. holiday / where / go / you / did / on / ?

………Where did you on holiday……………………………………………………………………………..?

28 tháng 12 2023

1. Is this my school?
2. Thu's house is small.
3. There are nine hundred students in the school.
4. There is a book on the desk.
5. My classroom is on the second floor.
6. Do you do housework every day?
7. I have classes from seven past eleven to quarter past seven.
8. I go to bed at ten o'clock.
9. We have history on Tuesday.
10. Does Lan have math on Friday?

11. What time does your father have breakfast?
12. Ha's house is small and it's in the country.
13. How many cities are there in your country?
14. How did your family get to Phu Quoc island?
15. Jane goes to school every morning at eight o'clock.
16. How do you learn English?
17. Do you read books in your free time?
18. How many lessons do you have today?
19. Did you go to the party?
20. Where did you go on holiday?

2 tháng 8 2021

8. Reorder the given words to make sentences.

1.  class/ We/ in/ 6A/are.

_____We are in class 6A_________________

2.  soccer/ is/ brother/ My/ playing.

________My brother is playing soccer ___________

3.  behind/ trees/ there/ house/ any/ Are/ the? 

______Are there any tree behinf the house____________________________________

4.  by/ go/ school/ doesnt/ He/ to/ motorbike.

______He doesn't go to school by motorbike____________________________________

2 tháng 8 2021

8. Reorder the given words to make sentences.

1.  class/ We/ in/ 6A/are.

__We are in class 6A.______________________________________________________________

2.  soccer/ is/ brother/ My/ playing.

___My brother is playing soccer._____________________________________________________________

3.  behind/ trees/ there/ house/ any/ Are/ the? 

____Are there any trees behinh the house ?____________________________________________________________

4.  by/ go/ school/ doesnt/ He/ to/ motorbike.

________He doesn't go to sachool by motorbike.________________________________________________________

- Hok T - 

DAY 3: PRESENT SIMPLEI Hoàn thành các câu sau:1.  I ........................................ (be) in a café now. 2.  ........................................ (she / play) tennis every week? 3.  They ........................................ (go) to the cinema every Wednesday. 4.  ........................................ (she / be) a singer? 5.  You ........................................ (find) the weather here cold. 6.  ........................................ (they / be) on the...
Đọc tiếp

DAY 3: PRESENT SIMPLE

I Hoàn thành các câu sau:

1.  I ........................................ (be) in a café now.

2.  ........................................ (she / play) tennis every week?

3.  They ........................................ (go) to the cinema every Wednesday.

4.  ........................................ (she / be) a singer?

5.  You ........................................ (find) the weather here cold.

6.  ........................................ (they / be) on the bus?

7.  Lucy ........................................ (ride) her bicycle to work.

8.  Why ........................................ (he / be) in France?

9.  I ........................................ (not / play) the piano often.

10. It ........................................ (not / be) cold today.

11. We ........................................ (be) from Portugal.

12. ........................................ (we / make) too much noise at night?

13. Where ....................................... (Harry / study)?

14. ........................................ (it / be) foggy today?

15. We ........................................ (not / be) late.

16. They ........................................ (not / like) animals.

17. Where ........................................ (you / be)?

18. He ........................................ (not / be) an accountant.

19. ........................................ (the dog / eat) chicken? 

20. She ........................................ (be) my sister.

II. Hoàn thành các câu sau:

1.  She ........................................ (play) tennis every Sunday.

2.  He ........................................ (buy) a cup of coffee every morning.

3.  Julie ........................................ (study) French at school.

4.  Luke ........................................ (try) hard to be polite. 

5.  She ........................................ (enjoy) going swimming.

6.  Lucy ........................................ (wash) her hair every day.

7.  John never ..................................12345678910...... (cry).

8.  My mother always ................................ (say) that love is more important than money.

9.  I hope Julie ........................................ (pass) the exam.

10. The plane ........................................ (fly) low over the airport.

 

3
20 tháng 7 2021

1.  I .........am............................... (be) in a café now.

2.  ....Does she play.................................... (she / play) tennis every week?

3.  They .................go....................... (go) to the cinema every Wednesday.

4.  ........Is she ......................... (she / be) a singer?

5.  You ............find............................ (find) the weather here cold.

6.  ........Are they ................................ (they / be) on the bus?

7.  Lucy .........rides............................... (ride) her bicycle to work.

8.  Why ....is he .................................... (he / be) in France?

9.  I .....don't play ................................... (not / play) the piano often.

10. It ......isn't .................................. (not / be) cold today.

11. We .......are................................. (be) from Portugal.

12. .......Do we make ................................. (we / make) too much noise at night?

13. Where .......does Harry sudy ................................ (Harry / study)?

14. ......Is it .................................. (it / be) foggy today?

15. We .........aren't............................... (not / be) late.

16. They ..........don't .............................. (not / ) animals.

17. Where ....are you .................................... (you / be)?

18. He ........isn't ................................ (not / be) an accountant.

19. ......Does the dog eat.................................. (the dog / eat) chicken? 

20. She ..............is.......................... (be) my sister.

I Hoàn thành các câu sau:

1.  I am (be) in a café now.

2.  Does she play (she / play) tennis every week?

3.  They go (go) to the cinema every Wednesday.

4.  Is she (she / be) a singer?

5.  You find (find) the weather here cold.

6.  Are they (they / be) on the bus?

7.  Lucy rides (ride) her bicycle to work.

8.  Why is he (he / be) in France?

9.  I don't play (not / play) the piano often.

10. It isn't (not / be) cold today.

11. We are (be) from Portugal.

12. Do we make (we / make) too much noise at night?

13. Where is Harry study (Harry / study)?

14. Is it (it / be) foggy today?

15. We aren't (not / be) late.

16. They don't (not / ) animals.

17. Where are you (you / be)?

18. He isn't (not / be) an accountant.

19. Is the dog eat (the dog / eat) chicken? 

20. She is (be) my sister.

II. Hoàn thành các câu sau:

1.  She plays (play) tennis every Sunday.

2.  He buys (buy) a cup of coffee every morning.

3.  Julie studies (study) French at school.

4.  Luke tries (try) hard to be polite. 

5.  She enjoys (enjoy) going swimming.

6.  Lucy washes (wash) her hair every day.

7.  John never ..................................12345678910...... (cry). ???

8.  My mother always says (say) that love is more important than money.

9.  I hope Julie passes (pass) the exam.

10. The plane flies (fly) low over the airport.

3.      the words to make sentences28.            knife./ sharp/ play/ that/ with/ Don’t_________________________________________________________29.            do/ brother/ What/ free/ in/ his/ does/ your/ time?_________________________________________________________30.            fell/ on/ the/ asleep/ The/ hare/ road._________________________________________________________31.            at/ corner./ next/ Turn/ right/...
Đọc tiếp

3.      the words to make sentences

28.            knife./ sharp/ play/ that/ with/ Don’t

_________________________________________________________

29.            do/ brother/ What/ free/ in/ his/ does/ your/ time?

_________________________________________________________

30.            fell/ on/ the/ asleep/ The/ hare/ road.

_________________________________________________________

31.            at/ corner./ next/ Turn/ right/ the

_________________________________________________________

32.            Phu Quoc/ I/ to/ Island./ went _________________________________________________________

33.            fly/ because/ be/ would like/ Minh/ pilot/ to/ planes./ like/ he’d/ a/ to

________________________________________________________

34.            should/ Mr. Tuan/ a/ take /rest/.

________________________________________________________

35.            Had/ Quan/ to/ the/ headache/ doctor/ because/ went/ he/ a/.

________________________________________________________

36.            Tam/ gentle./  beautiful/ and/ was

________________________________________________________

37.            My/ often/ grandma/ in/ works/ the garden/ her/ in/ free/ time.

________________________________________________________

38.            you / what / doing / are / stove / with / the / ?

________________________________________________________

39.            shouldn’t / cream / you / ice / eat

________________________________________________________

40.            like / would / future / the / you / to / what / be / in ?

________________________________________________________

1

28.Don't play with that sharp knife.

29.What does your brother do in his free time ?

30.The hare fell asleep on the road.

31.Turn right at the next corner.

32.I went to Phu Quoc Island.

33.Minh would li.ke to be a pilot because he'd to fly planes.

34.Mr.Tuan should take a rest.

35.Quan went to the doctor because he had a headache.

36.Tam was beautiful and gentle.

37.My grandma often works in the garden in her free time.

38.What are you doing with the stove ?

39.You shouldn't eat ice cream.

40.What would you li.ke to be in the future ?

hoc tot

Ex 6. Viết lại câu sao cho nghĩa không đổi: 1.      The last time we saw her was on Christmas day.        We haven’t  ..................................................................................................  2.      I haven’t eaten this kind of food before.        This is ...........................................................................................................  3.      It started raining an hour ago.        It has...
Đọc tiếp

Ex 6. Viết lại câu sao cho nghĩa không đổi:

1.      The last time we saw her was on Christmas day. 

      We haven’t  .................................................................................................. 

2.      I haven’t eaten this kind of food before. 

      This is ........................................................................................................... 

3.      It started raining an hour ago. 

      It has ............................................................................................................. 

4.      We haven’t visited my grandfather for two months. 

      The last time ................................................................................................. 

5.      I have studied English for three years. 

I  began .......................................................................................................... 

6.      My brother hasn’t seen his best friend for nearly five years. 

      It’s  ............................................................................................................... 

7.      When did you start learning English? 

      How long ...................................................................................................... 

8.      We started living here fifteen years ago. 

      We have ....................................................................................................... 

9.      The last time she visited me was five years ago. 

      She hasn’t ..................................................................................................... 

10.  I last wrote to my uncle in July. 

I  haven’t  ...................................................................................................... 

11.  It’s long time since we became close friend. 

      We have ....................................................................................................... 

12.  Minh began to collect stamps in 2000. 

      Minh has....................................................................................................... 

3

1. We haven't seen her since Christmast day

2. This is the first time I have eaten this kind of food

3. It has rained for an hour

4. The last time we visited my grandparents was two months ago

5. I began studying English three years ago.

6. It's nearly five years since my brother saw his best friend

7. How long have you learnt English

8. We have lived here for fifteen years.

9. She hasn't visited me for five years.

10. I haven't written to my uncle since July

11. We have become close friend for a long time

12. Minh has collected stamps since 2000

2 tháng 8 2021

1. The last time we saw her was on Christmas day.

=> We haven't seen her since Christmas day.

2. I haven't eaten this kind of food before

=> This is the first I have eaten this kind of food.

3. It started raining an hour ago

=> It have rained for an hour.

4.We haven't visited our grandfather for two months

=> The last time we visited our grandfather was two months ago.

5. I have studied English for three years

=> I started to studied English three years ago.

6. My brother hasn't seen his best friend for nearly five years

=> The last time my brother saw his best friend was nearly five years ago.

7. When did you start learning English?

=> When have you learned English?

8. We started living here fifteen years ago

=> We have lived here for fifteen years.

9. The last time she visited me was five years ago

=> She hasn't visited me for five years.

10. I last wrote to my uncle in July

=> I haven't written to my uncle since July.

11. It's long time since we became closed friend

=> We have become closed friend for long time.

12. Minh began to collect stamps in 2000

=> Minh have begun to collect stamps since 2000

I/ Choose the odd one out1. A. teacherB. interestingC. workerD. doctor2. A. riverB. oceanC. seaD. expectII/ Choose the word whose underlined part is pronounced differently from the rest1.        A. templeB. engineC. exciteD. elbow2.        A. applyB. aroundC. aboveD. late3.        A. excitingB. interestingC. expensiveD. bridgeIII/ Give the correct form of the words in brackets1. The weather is (beauty) ____________ today.2. Ann speaks French very (good) ___________.3. She...
Đọc tiếp

I/ Choose the odd one out

1. A. teacher

B. interesting

C. worker

D. doctor

2. A. river

B. ocean

C. sea

D. expect

II/ Choose the word whose underlined part is pronounced differently from the rest

1.        A. temple

B. engine

C. excite

D. elbow

2.        A. apply

B. around

C. above

D. late

3.        A. exciting

B. interesting

C. expensive

D. bridge

III/ Give the correct form of the words in brackets

1. The weather is (beauty) ____________ today.

2. Ann speaks French very (good) ___________.

3. She (usual) ____________ goes to Dam Sen Park.

IV/ Choose the correct answer A, B, C or D

1. __________ would you like to visit, a museum or a pagoda?

A. Which place

B. Who

C. How many

D. How much

2. How much ___________do you want?

A. an sugar

B. a sugar

C. sugar

D. sugars

3. Fruit juice is _____________ our health.

A. healthy

B. health

C. unhealthy

D. healthily

4. What would Tony like to be ___________?

A. at the future

B. on the future

C. in the future

D. to the future

5. He has a pain in his tooth. He has ____________.

A. toothache

B. the toothache

C. an toothache

D. a toothache

6. Annie _________ the house twice a day.

A. cleaning

B. cleans

C. clean

D. is cleaning

V/ Read the following text and answer the following questions

Yesterday, Oliver, Daisy and their parents went to the beach for Oliver’s birthday. The weather was beautiful. It was sunny and windy. The children played volleyball with their father. Mum out their food on a green blanket. The family sat on the blanket and ate lunch. They gave Bill a cake and they sang a birthday song. Then Bill blew the candles. After lunch, family member slept.

1. Where did Oilver’s family go to yesterday?

________________________________

2. What sport did the children play with their father?

________________________________

3. Where did the family sit and eat their lunch?

________________________________

4. Did Bill blow the candles?

________________________________

5. What did they do after lunch?

________________________________

VI/ Reorder these words to have correct sentences

1. John?/ your/ What’s/ season,/ favorite/

________________________________

2. won’t/ She/ that/ on/ day./ go/ anywhere/

________________________________

3. school./ is/ The/ our/ behind/ stadium/

4

1. John?/ your / What’s/ season,/ favorite/

What’s season favorite your John? 

2. won’t/ She/ that/ on/ day./ go/ anywhere/

She won’t ko biết 

3. school./ is/ The/ our/ behind/ stadium/

The our school behind is stadium

I/ Choose the odd one out

1. A. teacher   

B. interesting

   C. worker 

  D. doctor

2. A. river

B. ocean

C. sea

D. expect

II/ Choose the word whose underlined part is pronounced differently from the rest

1.        A. temple    

B. engine

C. excite

D. elbow

2.        A. apply

 B. around

C. above

D. late

3.        A. exciting

  B. interesting

   C. expensive

    D. bridge

1.speaks

2.Do...live

3.is watching

4.are

5.isn't

6.are

hoc tot

2 tháng 8 2021
1.Speaks. 2.Live. 3.Is watching. 4.Are. 5.Isn’t. 6.Are
1.        Ex 4. Điền “For” hoặc “Since” vào chỗ trống thích hợp: 1.  It has been raining ................................... lunchtime. 2.  My boss will go away ................................... the next ten days. 3. I’m staying in England ................................... a year. 4.  She has lived in London ................................... 1985. 5.  Please hurry up! We have been waiting ................................... an hour. 6.  I have known her...
Đọc tiếp

1.        Ex 4. Điền “For” hoặc “Since” vào chỗ trống thích hợp:

1.  It has been raining ................................... lunchtime.

2.  My boss will go away ................................... the next ten days. 3. I’m staying in England ................................... a year.

4.  She has lived in London ................................... 1985.

5.  Please hurry up! We have been waiting ................................... an hour.

6.  I have known her ................................... January.

7.  Nam’s father has worked in this company ................................... 20 years.

8.  Have you learned English ................................... a long time?

9.  I haven’t seen Tom ................................... we left school. 10. The house is very dirty. We haven’t cleaned it ................................... years.

11.  My sister has been a student ................................... two years.

12.  We’ve lived here ................................... 1990. 13. I haven’t seen Linh ................................... my birthday party.

14.  She has been away ................................... a year.

15.  We’ve already waited ................................... five days. 16. They haven’t had any rain ................................... very long time.

17.  That buildings has been there ................................... the 19th century.

18.  I have known them ................................... many years.

19.  They have only been there ................................... a few minutes.

20.  My brother works for a company called FPT. He has worked for them ...................................

he graduated from university.

2
2 tháng 8 2021

1. It has been raining for lunchtime.

2. My boss will go away for the next ten days.

3. I'm staying in England since a year.

4. She has lived in London since 1985.

5.Please hurry up! We have been waiting for an hour.

6. I have known her for January.

7.Nam's father has worked in this company since 20 years.

8. Have you learned English for a long time?

9. I haven't seen Tom since we left school.

10. The house is very dirty. We haven't cleaned it for years.

11. My sister has been a student since two years.

12. We've lived here since 1990.

13. I haven't seen Linh for my birthday party.

14. She has been away since a year.

15.We've already waited for five days.

16. They haven't had any rain for very long time.

17. That buildings has been there since the 19th century.

18. I have known them for many years.

19. They have only been there for a few minutes.

20. My brother works for a company called FPT. He has worked for them since he graduated from.

1. It has been raining .......since.......... lunchtime.

2. My boss will go away ......since.......... the next ten days.

3. I'm staying in England ...........for........ a year.

4. She has lived in London ............SINCE.......... 1985.

5. Please hurry up! We have been waiting ...............FOR.... an hour.

6. I have known her ...........SINCE........ January.

7. Nam's father has worked in this company ..........FOR.......... 20 years.

8. Have you learned English ........FOR........... a long time?

9. I haven't seen Tom ..........SINCE......... we left school.

10. The house is very dirty. We haven't cleaned it ...........FOR....... ages.

11My sister has been a student for two year.
12) We've lived here since 1999

13) I haven't seen Linh since my birthday party.
14) She's been away for five days.
15) We've already waited for a year.
16) They have only been there for a few minutes.
17) We haven't had any rain for a very long time.
18) That building has been there since the 19thcentury.
19) I have known them for many years.
20) My brother works for a company called FPT. He has worked for them since he graduated from university.

1.        Ex 4. Điền “For” hoặc “Since” vào chỗ trống thích hợp: 1.  It has been raining ................................... lunchtime. 2.  My boss will go away ................................... the next ten days. 3. I’m staying in England ................................... a year. 4.  She has lived in London ................................... 1985. 5.  Please hurry up! We have been waiting ................................... an hour. 6.  I have known her...
Đọc tiếp

1.        Ex 4. Điền “For” hoặc “Since” vào chỗ trống thích hợp:

1.  It has been raining ................................... lunchtime.

2.  My boss will go away ................................... the next ten days. 3. I’m staying in England ................................... a year.

4.  She has lived in London ................................... 1985.

5.  Please hurry up! We have been waiting ................................... an hour.

6.  I have known her ................................... January.

7.  Nam’s father has worked in this company ................................... 20 years.

8.  Have you learned English ................................... a long time?

9.  I haven’t seen Tom ................................... we left school. 10. The house is very dirty. We haven’t cleaned it ................................... years.

11.  My sister has been a student ................................... two years.

12.  We’ve lived here ................................... 1990. 13. I haven’t seen Linh ................................... my birthday party.

14.  She has been away ................................... a year.

15.  We’ve already waited ................................... five days. 16. They haven’t had any rain ................................... very long time.

17.  That buildings has been there ................................... the 19th century.

18.  I have known them ................................... many years.

19.  They have only been there ................................... a few minutes.

20.  My brother works for a company called FPT. He has worked for them ...................................

he graduated from university.

4
13 tháng 8 2021

III. Điền "For" hoặc "Since" vào chỗ trống thích hợp:

1 - since; 2 - for; 3 - for; 4 - since; 5 - for;

6 - since; 7 - for; 8 - for; 9 - since; 10 - for;

11 - for; 12 - since; 13 - since; 14 - for; 15 - for;

16 - for; 17 - since; 18 - for; 19 - for; 20 - since;

13 tháng 8 2021

1 . Since 

2 . For 

3 . For

4 . Since

5 . For

6 . Since

7 . For

8.For

9 . Since

10 . For

11. For

12 . Since

13 . Since 

14 . For

15 . For 

16 . For

17 . Since

18.For 

19 . For 

20 Since