Must/ Mustn’t

1. You ______ drive you car carefully.

2. You _____ touch the snakes.

3. You ______ tell us about any problems.

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

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

6. There is an intersection ahead. We ________ go fast.

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

8. You _____ drop litter.

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

10. This is important. You ____ listen carefully.