Match the sentences with similar meanings.

1. Don't make any noise.

2. You can stay.

3. Make sure you're back home by midnight.

4. It's important that you send her a thank-you note.

5. Don't worry about doing any revision.

6. It's very rude to say that sort of thing.


A. You don't have to go.

B. You mustn't talk to people like that.

C. You mustn't be any later than 12.

D. You must write to her.

E. You must be quiet.

F. You needn't do any homework.