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1.You need/needn’t buy any meat. We’ve got a lot of it.
2. Students must/mustn’t come to school in time.
3. You’ve been working all day, you must/should be tired.
4. You should/needn’t take a taxi to get to the airport. It’s far from here.
5. He has to/doesn’t have to make coffee in the morning. His wife makes it for him.
6. Children must/mustn’t play with forks and knives.
7. You should/shouldn’t read this book .It’s very interesting.
8. You mustn’t/should open the window . It’s very hot in the room.
9. I have to/shouldn’t learn by heart this poem.I want to get a good mark.
10. You must/shouldn’t give up smoking.
11. People must/mustn’t cross the street when the light is red.
12. I don’t work on Sundays. I don’t have to/can’t get up early in the morning.
13. I need/needn’t wash my toys. They aren’t dirty.
14. Shall/Мust we go to the cinema tonight?
15. She can’t come to see me. She has to/should work on her project.