1. You _____ touch the snakes.

2. This is important. You ____ listen carefully.

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

4. You ______ tell us about any problems.

5. You _____ drop litter.

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

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

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

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

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