Choose the correct intonation. F for Falling intonation and R for Rising intonation.

1. (A is not sure of B's answer)

A: You're giving a presentation on the importance of wetlands, aren't you?

B: Yes, I'm discussing their role in supporting biodiversity.

2. (B is making a point)

A: The Saola is an endangered animal found in Vietnam.

B: Yes, it's crucial to conserve their habitats, isn't it?

3. (A is sure of B's answer)

A: We should raise awareness about endangered species, shouldn't we?

B: Yes, I agree with you.

Choose the correct intonation. F for Falling intonation and R for Rising intonation.

1. (B is making a point)

A: The Mekong River has diverse fish species.

B: That's correct. We should prevent overfishing, shouldn't we?

2. (A is sure of B's answer)

A: We should mention the causes of species becoming endangered, shouldn't we?

B: Absolutely, it's important to educate people about the threats.

3. (A is not sure of B's answer)

A: You're going to explore the Grand Canyon, aren't you?

B: That's right, I'm excited to see its breathtaking views.

Choose the correct intonation. F for Falling intonation and R for Rising intonation.

1. (A is sure of B's answer)

A: We should stop deforestation to protect habitats, shouldn't we?

B: Yes, it's crucial for maintaining ecosystem balance.

2. (A is not sure of B's answer)

A: You're talking about the role of bees in ecosystems, aren't you?

B: Yes, I'll explain how they help with pollination and plant reproduction.

3. (B is making a point)

A: Grass is a primary producer in the food chain.

B: Yes, it starts the energy flow, doesn't it?

Choose the correct intonation. F for Falling intonation and R for Rising intonation.

1. (A is not sure of B's answer)

A: You're talking about the importance of national parks in your talk, aren't you?

B: Yes, I'll highlight their role in conservation and providing habitats for wildlife.

2. (A is sure of B's answer)

A: Recycling paper helps to save trees, doesn't it?

B: Yes, it's a way to conserve natural resources and protect forests.

3. (B is making a point)

A: Decomposers like fungi break down dead organisms.

B: Yes, they play a vital role in recycling nutrients, don't they?