Question

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C) Use MUST / MUSTN’T / HAVE TO or (NOT) HAVE TO:
1. I can stay in bed tomorrow morning because I ………………………………………work.
2. Whatever you do, you ……………………. touch that switch. It’s very dangerous.
3. You ………………….. forget what I told you. It’s very important.
4. We ………………………………….. leave yet. We’ve got plenty of time.
5. Ann was feeling ill last night. She ………………………. leave the party early.
6. I ……………………….. go to the bank yesterday to get some money.
7. The windows are very dirty. I …………………….. clean them.
8. The windows aren’t dirty. You ………………………………… clean them.
9. We arrived home very late last night. We …………………….. wait half an hour for a
taxi.
10. These cakes are very nice. You …………………… have one.
11. We ………………………………….. take an umbrella. It’s not going to rain.
12. This is a secret. You ……………………………… tell anybody.
13. You ……………………………….. buy a newspaper. You can have mine.
14. This train doesn’t go to London. You …………………………… change at Bristol.
15. In many countries men ……………………………… do military service.
16. Sarah is a nurse. Sometimes she ………………………… work at weekends

Answer 1

1.-Not Have to
2.-Not Have to
3.-Mustn't
4.-Not Have to
5.-Must
6.-Must
7.-Have to
8.-Mustn't
9.-Must
10.-Must
11.-Not Have to
12.-Not Have to
13.-Must
14.-Have to
15.-Have to
16.-Have to