Must/ Mustn’t

1. You _____ touch the snakes.

2. Our roads are dangerous places. We ______ have discipline.

3. You ______ drive you car carefully.

4. You ______ tell us about any problems.

5. The cars go very fats. We _____ be careful.

6. This is important. You ____ listen carefully.

7. You ______ use your mobile phone in the exam room.

8. The traffic lights are red. You ____ stop.

9. This sign says “Stop”. We _____ go straight on.

10. You _____ drop litter.