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Must/ Mustn’t

1. This is important. You ____ listen carefully.

 
 

2. You _____ drop litter.

 
 

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

 
 

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

 
 

5. You _____ touch the snakes.

 
 

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

 
 

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

 
 

8. You ______ drive you car carefully.

 
 

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

 
 

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

 
 

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