Need help, please! I can't solve this task. The answers I saw are incorrect and copied from other sources...

1. When we returned, we saw that somebody ________ (break) one of our windows.

2. That’s the room ________ you have classes.

3. The Olympics and Paralympics _____ in London in 2012.
- A. were hold
- B. were held

4. The car park is free – you ________ to pay!

5. Students got their results in June. A letter ________ (send) to their home address.

6. If I find £20 on the floor in a shop, I ________ (give) it to one of the assistants.

7. Diana told me she ________ (want) to start learning French.

8. You won’t miss the train if you ________ stay in bed so long.

9. Mary and Anna ________ (meet) for lunch most days. Their offices are very close.

10. We’ll come and see you again _____ Saturday.
- A. next
- B. the next

11. ‘Don’t you hear your phone ring?’ ‘No, I ________ (listen) to music on headphones.’

12. Richard has always worked much less _____ I do.
- A. than
- B. then

13. Chris ________ me that he knew why he had been made redundant.

14. It won’t take long to paint this room, ________ it?

15. There are _____ eggs in the fridge. Shall I get some?
- A. any
- B. no

16. You’re Andy’s new secretary, ________ you?

17. I would invite you to the party if I ________ (know) you will be here!

18. I think I _______ (send) Pedro the wrong file when I emailed him today.

19. Wait until Roberto ________ (get) here and then the meeting can begin.

20. I ________ like cabbage but I love it now.

21. Sally ____ pass her driving test if she didn’t practice more.
- A. wouldn’t
- B. won’t

22. If you sent him a birthday card, _____ be really happy to get it.
- A. he’ll
- B. he’d

23. Lisa _____ listens to music when she works.
- A. usually
- B. use to

24. My mother ________ (go) to salsa dance classes last month – she loves it!

25. You ___ record films in the cinema. It’s illegal!
- A. mustn’t
- B. shouldn’t

26. ‘Is Mike at home?’ ‘He ________ (go) to the shops a minute ago. He’ll be back in an hour.’

27. You will be able to get home only ____ you call a taxi.
- A. unless
- B. if

28. There were only _____ people at the concert because of the weather.
- A. few
- B. a few

29. I don’t like people ____ with me.
- A. to disagree
- B. disagreeing

30. I don’t want to eat curry again! We ________ (have) it twice this week.

31. My sister _____ to me: "Do not tell anyone about her new boyfriend".
- A. said
- B. told

32. We _________ (go) to the Edinburgh Festival in August this year.

33. Wait ________ everyone is here before you start the meeting.

34. _____ Donna be able to give me a lift to the station later?

35. Could you drive not so _____? I hate it.
- A. faster
- B. fast

36. That’s the man _____ dog bit me last month!
- A. whose
- B. who’s

37. Sonia ________ (work) in the garden. Shall I call her for you?

38. _____ we call you when William arrives?
- A. Will
- B. Shall

39. If I ________ Jenny, I wouldn’t say anything to you and just forget about it.

40. I ________ (drink) less coffee to see if it helps with my headaches.