A. Complete the sentences with must or mustn't. 1. You ______________wash your face in the morning. 2. You ______________take your umbrella because it’s raining. 3. You ______________drink that milk, it’s very hot. 4. You ______________do your homework. 5. I ______________finish this essay today. It has to be handed in by tomorrow. 6. Passengers ______________talk to the driver whist the bus is in motion. 7. You ______________play with fire. 8. You ______________be home on time. 9. You ______________help your mother with the heavy box. 10. You ______________make noise in the class. 11. It’s dangerous, you ______________touch that wire. 12. You ______________tidy up room. 13. It’s late. You ______________make so much nosiy. 14. You ______________smoke. 15. We ______________be home by 9 o’clock. The film starts at 9:1