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№ 1 Choose the correct answer.
1. You _________________ drink in the classroom.
a) must b) mustn’t c) have to d) don’t have to
2. You ________________ listen to the teacher.
a) must b) mustn’t c) can d) can’t
3. It is hot! ______________ you open the window, please ?
a) must b) can c) might d) can’t
4. A: Is Tom at home? B: I am not sure… he ____________ go to the shop.
a) must b) can c) might d) have to
5. What household chores do you _______________ do at home?
a) must b) can c) might d) have to