Choose the correct answer to fill in the blank in each of the following questions.

Complete the sentences with “in”, “on” or “at”.

Read the following passage and choose the correct option that best fits each of the numbered blanks.

In the future, smartphones will be even more advanced than they are now. They will be faster, with more storage, and they will have better screens. We might even be able to (17) __________ them up and put them in our pockets! They will have better cameras, so we can take even more beautiful photos. And the batteries will (18) __________ longer, so we won't have to charge them as often.

But the most exciting thing is that they will be able to do things we can't even imagine yet. Maybe they might have (19) __________ displays that can show 3D images. Imagine having online meetings where it feels like everyone is right there with you, or showing off products in 3D. Additionally, they could have built-in translators that (20) __________ translate languages for us. This means we could talk to anyone, no matter what language they speak, and understand each other perfectly.

The future of smartphones is incredibly exciting and full (21) __________ endless possibilities. As technology continues to advance, who knows what amazing features our smartphones will have in the future?

Read the passage carefully and choose the correct answer to each of the following questions.

1. Facebook founder Mark Zuckerberg has announced that chatbots would soon appear in the company's Messenger app.

2. Chatbots are small software programs based on artificial intelligence and can communicate with people. A chatbot, for example, can talk to a customer, order items or listen to complaints. It can answer questions, solve complicated problems or make appointments. It's like talking to a robot. As time goes on, chatbots will be able to learn, based on the experience they have.

3. Facebook's Messenger is extremely popular. With its announcement, users will be able to develop their own chatbots and use them in Messenger. People can then send messages to a bot which will know what to do depending on the situation.

4. While Internet experts say that chatbots can be a big advantage, there are those who see risks. There's no way we can monitor every action that chatbots do. Others think that such bots may encourage you to do things that you really wouldn't want to do, like install new apps.

5. However, bots are still in a developing stage. As time goes on, their performance will improve and, in time, they will become your personal assistant that can help you in any situation.