IV. Choose the correct answer to finish the sentences.
1. Listen! We (can/ could/ will be able/ were able to) hear a train in the distance.
2. I don’t think he (could/ can’t/ won’t be able to/ will be able to) win the next competition.
3. Michael is very proud to (be able to/ can be able/ will be able to/ could be able) play in a jazz-band.
4. When I was five, I (can’t/ couldn’t/ am not able to/ will not be able to) swim.
5. I have to go to a meeting tomorrow night so I (can’t/ wasn’t able to/ couldn’t/ can’t be able to) come to the party. I’m very sorry.
6. We (couldn’t/ won’t be able to/ will can’t/ want be able to) go to the party. We’re going to a wedding.
7. A: Can you lend me some money?
B: Sorry, I (couldn’t/ am not able to/ can’t/ won’t be able to). I haven’t got any either.
8. They (wasn’t able to/ can’t/ won’t be able to/ couldn’t) go. The weather was too bad.
9. She (can’t/ will be able to/ could/ couldn’t) go on holiday next month if her parents give her permission.
10. The fishing boat sank but luckily all the crew (couldn’t/ will be able to/ were able to/ can) save themselves.
11. Robot can (see/ guard/ look at/ look) our houses when we are away.
12. Do you think robots can work longer than people (but/ with/ without/ of) getting tired?
13. My father always (do/ does/ make/ makes) coffee at home instead of going to the coffee shop.
14. Nowadays robots can’t talk to people or play sports, but in the future I think they (can/ could/ will/ do).
15. Will robots able (to recognise/ recognising/ to recognising/ for recognising) our voices?
16. (Can/ Could/ Will/ Do) you walk when you was two?
17. Home robots can do things (such/ like/ with/ of) repairing things around the house or looking after the garden.
18. Our future robot will be able to help us (do/ make/ try/ plant) the gardening.
19. Robot will be very useful for our lives but they use (some/ a little/ very/ too much) energy.
20. Can you (told/ tell/ tells/ telling) me the way how to recycle paper?
21. Parents should control what their kid watch (from/ in/ on/ at) television.
22. Walking to school will help (refill/ reuse/ recycle/ reduce) air pollution.
Complete the sentences. Use the be able to, will be able to, won't be able to and the verbs from the box.
answer, attend, build, come, laugh, lift, play, speak, see, write
1. Maybe the Smiths will be able to build a new house next year.
2. Even three men working together won't be able to lift the car.
3. I hope to be able to speak English very well after this course finishes.
4. We will be able to come to your birthday party tomorrow.
5. Do you think you will be able to write that report by Tuesday? I know you're very busy.
6. I'm so sad! I won't be able to laugh.
7. To be able to play professional tennis, you must be extremely fit.
8. I'm afraid I won't be able to attend the meeting. I'm on business in Japan.
9. I don't think we will be able to see you next Saturday. We're still on holiday in Nha Trang.
10. When you are sure, you will be able to answer the questions.