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.