I. Choose the correct answer.
1. Anna ______ leave the party last night. She wasn't well.
A. must B. had to
2. All the magazines ______ be returned to the library.
A. have to B. must
3. What are you doing?! You ______ obey the rules!
A. must B. have to
4. Alex ______ go to the doctor. He is feeling better.
A. doesn't have to B. mustn't
5. Yesterday we lost our way and ______ ask a policeman.
A. must B. had to
6. You ______ introduce me to her. We've already met.
A. mustn't B. don't have to
7. Tomorrow you ______ get up early if you want to be іn time.
A. will have to B. must
8. She ______ go to the theatre if she doesn't want to.
A. doesn't have to B. mustn't
9. ______ you have a visa to come here?
A. Do ... have to B. Must
10. Our children ______ look in the wardrobe. Their presents are there.
A. don't have to B. mustn't
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