Question

5. Put in must/ had to/ mustn’t/ needn’t.

1) You _____ go. You can stay here if you want.

2) It’s fantastic film. You _____ see it.

3) We’ve got enough food, so we _____ go shopping.

4) We didn’t have any food yesterday, so we _____ go shopping.

5) I want to know what happened. You _____ tell me.

6) You _____ tell Sue what happened. I don’t want her to know.

7) I _____ hurry or I’ll be late.

8) “Why were you so late?” “I _____ wait half an hour for a bus.”

9) We _____ decide now. We can decide later.

Answer 1

1. needn't.
2. must.
3. needn't.
4. had to.
5. must.
6. mustn't.
7. must.
8. had to.
9. needn't. 

Answer 2

1) You needn’t go. You can stay here if you want.
2) It’s fantastic film. You must see it.
3) We’ve got enough food, so we needn’t go shopping.
4) We didn’t have any food yesterday, so we had to go shopping.
5) I want to know what happened. You must tell me.
6) You mustn’t tell Sue what happened. I don’t want her to know.
7) I must hurry or I’ll be late.
8) “Why were you so late?” “I had to wait half an hour for a bus.”
9) We needn’t decide now. We can decide later.