----- Nội dung dịch tự động từ ảnh ----- Modal verb "must/mustn't"; "countable nouns/uncountable nouns"; "quantit 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. drink that milk, it's very hot. 3. You 4. You do your homework. 5. I finish this essay today. It has to be handed in by tomorrow. talk to the driver whist the bus is in motion. 6. Passengers play with fire. be home on time. 7.You 8. You 9. You 10. You 11. It's dangerous, you 12. You 13. It's late. You 14. You 15. We help your mother with the heavy box. make noise in the class. tidy up room. touch that wire. make so much nosiy. smoke. be home by 9 o'clock. The film starts at 9:15.