must - mustn't

1. You……………tidy up room.

2. It’s late. You ……………make so much noisy

3. You……………smoke.

4.We……………be home by 9 o’clock.The film starts at 9:15.

5. You …………… do your homework.

6. I …………… finish this essay today. It has to be handed in by tomorrow.

7. Passengers…………… talk to the driver whist the bus is in motion.

8. You …………… play with fire.

9.This is a dangerous tour. Children…………… be accompanied by an adult.

10. You…………… be home on time.