Complete the sentences with must, mustn't, should or shouldn't.

Solution:

1. You must buy a ticket before you go into the cinema.
2. You should watch the new Will Smith film if you can get tickets. It's great.
3. They mustn't wear sports clothes in the gym or they won't be allowed to play.
4. You mustn't lose your keys. We don't have another set.
5. She shouldn't borrow so much money.
6. She must save her pocket money.
7. He must relax. The exams have finished.
8. You mustn't bully people.
9. We must copy our homework from the internet.
10. They shouldn't worry. I'm sure everything will be fine.

Answer: must, should, mustn't, mustn't, shouldn't, must, must, mustn't, must, shouldn't