情態(tài)動詞

　　1.We ____ change water into a gas， but we ___ first heat it to its boiling point.

　　A. must， can B. may， needn't C. can， must D. need， may

　　2.The door stood open and everything was in disorder. The room ____.

　　A. must be broken into B. must have been broken into

　　C. must be broken D. could be broken into

　　3._____ repeat the sentences?

　　A. Will I B. Would you like that C. Shall I D. Do you want that I

　　4.Would you please lend me your mew motorcar? Yes， I _____.

　　A. can B. may C. would D. will

　　5.Prof. White， many students want to see you， ____ they wait here or outside?

　　A. will B. shall C. are D. do

　　6.That must be a mistake. No， it ____ a mistake.

　　A. cannot be B. must not be C. needn't be D. would not be

　　7.If you don't like to swim， you ___ stay at home.

　　A. may well B. might be well C. might very well D. might as well

　　8.We didn't see her at the meeting yesterday. She ____ it.

　　A. can't have attended B. needn't have attended C. mustn't have attended D. mustn't attended

　　9.____ the story be true? I hardly believe it.

　　A. May B. Would C. Must D. Should

　　10. Need I do it once more? ________.

　　A. Yes， you need B. Yes， you must C. No， You mustn't D. No， you don't

　　11. Speak clearly so that they ____ you.

　　A. must understand B. may understand C. might understand D. understand

　　12. When are you going to return my novel? Don't worry. You ____ have your book soon， I promise.

　　A. shall B. should C. may D. must

　　13. This pen looks like mine; yet it isn't. Whose ____ it be?

　　A. must B. can C. would D. will

　　14. Put on more clothes. You ___ be feeling cold with only a shirt on.

　　A. can B. could C. should D. must

　　15. Tom wants me to play truant this afternoon with him， but I ____ do so.

　　A. dared not to B. didn't dare to C. not dare D. dare not

　　16. As you are not well now， you ____ take some medicine.

　　A. must B. have to C. would D. will

　　17. ____ you like to have another cup of tea? Yes， Please.

　　A. Can B. May C. Would D. Must

　　18. You ____ go and see the film. You mustn't miss it.

　　A. can B. may C. will D. should

　　19. I will attempt it， but I ______ fail.

　　A. can B. shall C. may D. must

　　20. If he said he would come， he ______.

　　A. can B. will C. could D. must

　　21. Need he go himself? Yes， he _____.

　　A. must B. need C. has to D. needs

　　22. He ____ rush to the door when his father came home.

　　A. could B. should C. might D. would

　　23. He _____surprise you and do better than you think.

　　A. could B. should C. might D. would

　　24. _____ you both happy!

　　A. May B. Would C. Does D. Shall

　　25. Being scolded by the teacher， the boy stood before him without ___ his head.

　　A. daring lift B. daring to lift C. daring lifting D. dare to lift

　　26. Franz ____， so he ran quickly towards school.

　　A. not dared stop B. dared not to stop C. didn't dare to stop D. dares not to stop