1. She said she ..... come yesterday because she had already made plans to go out with her sister. *
couldn't
can't
2. We ..... have run out of milk, I bought some this morning. *
can't
mustn't
3. We .... have invited Craig to the party. *
need to
should
Other:
4. Louise isn't upstairs. She ..... have left already. *
can
must
5. I wonder why Hannah didn't come to work today. Maybe one of us ..... call and check that she's all right. *
may
should
6. We ..... finish all the work by 10.30. I'm not sure yet. *
must
might
7. We ..... leave right away, we have plenty of time. *
needn't
oughtn't to
8. I'm afraid you ..... speak to Mr. Lambert at the moment, he's in a meeting. *
can't
mustn't
9. I can't do my History homework. Do you think you ..... help me? *
could
should
10. You ..... tell him about the party. We want it to be a surprise. *
mustn't
needn't
11. Excuse me, ..... you tell me how to get to Oxford Street, please?
will
could
12. You .... pick up the children from school, I'm leaving work early today so I can do it. *
needn't
shouldn't
13. The doctor said I .... eat too much red meat. *
can't
mustn't
14. He's got a terrible toothache. He really ..... go to the dentist. *
should
could
15. I ..... go out tonight, if I finish this project. *
mustn't
might
16. You ..... eat at least three pieces of fruit each day. *
must
ought to
17. You ..... wear a helmet when you ride a motorbike; it's against the law not to. *
must
ought to
18. You ..... forget to pay the phone bill today. *
mustn't
shouldn't
19. You ..... borrow my new earrings, as long as you don't lose them. *
might
may
20. You ..... have eaten so many sweets. No wonder you've got a stomach ache! *
shouldn't
can't