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2. Complete the sentences with must/ mustn’t:
1. You ________ eat in class.
2. You ________ keep your room tidy.
3. You ________ leave food on the tables in class.
4. You ________ say bad words to your friends.
5. You ________ clean the kitchen table after cooking.
6. You ________ eat wild mushrooms.
7. You ________ write on the walls or on the desks.
8. You ________ do your homework before going to school.
9. You ________ drink enough water every day.
10. You ________ drink a lot of beer.
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