GIÚP mik vs
Giải thích giùm mik lun nha ...tại sao lm như zị á
C. MODAL VERBS.
1. ……………..you swim when you were 10 years old?( Could / Can / Must ? May )
2. I ……..understand why he failed the exam . He is the best student in our calss. ( don’t have to / needn’t / can’t )
3. You ………….shout. I am not deaf.( mustn’t / needn’t / can’t / don’t have to)
4. This is a non-smoking room. You……smoke in here .( need/ needn’t / must / mustn’t )
5. To enter the USA, you ……………..get a visa.( must / should / ought to / need)
6. You …………..keep it secret or they’ll kill you.( must / can / may / need)
7. Bring your jacket with you. It ………………get cold in the everning.( can / may / must / would)
8. You …………..read that article if you don’t want to.( haven’t / may not / needn’t / mustn’t)
9. I can’t find my key anywhere. I …………….have left it on the train. I am not sure.( must / might / should / can)
10. You……………..forget to learn the lesson by heart. The new teacher is so strict.( needn’t / mustn’t / mayn’t )
11. If there is anything you…………… . Let me know. ( must / should / need / may)
12. They …………be away fot the weekend, but I am not sure. ( might/ can / must / should)
13. You…………….. leave now if you want. ( must / may / need / can )
14. ………………you open the door ,please? It is so hot in here.( May / Could / Might ? Need)
15. You ……………….go to the shop. I have already bought the milk.( mustn’t / needn’t / can’t /shouldn’t)