内容正文:
情态动词专项训练
1. 填上合适的情态动词
1. Gentlemen, you ____________ ask questions at the end of the presentation, if you like.
2. He is a retired civil servant. He ____________ be over 65 years old now.
3. You ____________ study harder if you want to get better grades.
4. I just put on my glasses. Now I ____________ read better.
5. You ____________ have a passport and a visa to enter the United States.
6. You ____________ take your umbrella in case it rains this afternoon, John.
7. ____________ I use your pen please, Sir?
8. ____________ I have another piece of cake, mother?
9. You ____________ not do that again. It´s dangerous. You ____________ easily fall and break your leg.
10. You ____________ be punctual for the meeting. The boss gets very angry when people are late.
11. The man is very strong. He ____________ lift that heavy box easily.
12. He ____________n´t be an engineer. He is only 18 years old!
13. Miss Clark ____________ type fast but she ____________n´t use a computer.
14. The little bird ____________n´t flfly yet. It´s too young.
15. You ____________ come and visit us any day, John. You´ll be welcome to our home.
16. Why don´t you phone at his home. He ____________ be there. He sometimes goes home for lunch.
17. Why don´t you give them some more money? You ____________ be more generous. They´re very poor.
18. What ____________ I do in order to improve my pronunciation, professor?
19. You ____________ pay by credit card or by cheque.We don´t accept cash.
20. You are too fat, Billy . I think you ____________ go on a diet.
21. It´s almost midnight now. They ____________ be sleeping at this time.
22. You ____________ insert two coins in the slot if you want to use the telephone.
23. I don´t know why they´re talking. They ____________ be working instead.
24. He ____________n´t be driving the car! He doesn´t know how to start a car.
二.将must改为have to
1. I must work tonight.
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2. John must go out of