must, have to, should

1. At our school we __________ wear a uniform.

• mustn't

• have to

• has to

• shouldn't

2. You ____ do any more training today. You look so tired. Take a break!

• must

• have to

• should

• shouldn't

3. You __________ cross the roads without looking. It’s dangerous.

• mustn't

• don't have to

• have to

• should

4. You _____always wear suitable clothes when you go skiing.

• mustn't

• has to

• should

• don't have to

5. You _______ turn on the central heating. It’s automatic.

• have to

• don't have to

• must

• should

6. There are signs all over the area, so you ___ have any trouble getting there.

• shouldn't

• must

• have to

• has to

7. The exams are next week. I __________ work harder.

• don't have to

• shouldn't

• must

• mustn't

8. Students _________ listen to the teacher or they won’t understand.

• has to

• shouldn't

• must

• mustn't

9. You _________ shout. I can hear you.

• have to

• don't have to

• must

• mustn't

10. She ___________ come to the dentist’s with me.

• doesn't have to

• has to

• must

• don't have to