Question

Complete these sentences with mustn't or don't/doesn't have to.
1. I don't want anyone to know. You _mustn't_ tell anyone.
2 He doesn't have to wear a suit to work but he usually does.
3. I can stay in bed tomorrow morning because I --- go to work.
4. Whatever you do, you --- touch that switch. It's very dangerous.
5. There's a lift in the building, so we --- climb the stairs.
6. You --- forget what I told you. It's very important.
7. Sue --- get up early. She gets up early because she wants to,
8. Don't make so much noise. We --- wake the baby.
9. I --- eat too much. I'm supposed to be on a diet.
10. You --- be a good player to enjoy a game of tennis.

Answer 1

1. Mustn't
2. Doesn't
3. Don't have to
4. Mustn't
5. Don't have to
6. Mustn't
7. Doesn't have to
8. Mustn't
9. Mustn't
10. Don't have to