— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ___

— There’s somebody at the door. Who ______ it be? Is it the postman ?—No, it ___

题型:不详难度:来源:
— There’s somebody at the door. Who ______ it be? Is it the postman ?
—No, it ______ be him. It’s just seven o’clock. It’s too early.
A.may, can’tB.will, won’tC.may, mustn’t D.must, may not

答案
A
解析

试题分析:句意:门口有个人,会是谁呢?是邮递员吗?不,他不可能是邮递员。时间才刚七点,天太早了。may表示“可能”,can表示肯定猜测,而否定猜测用can’t,won’t表示将来不,mustn’t表示禁止,绝对不能,may not表示可能不;故选A。
举一反三
--- Are you coming to Davy’s party, Kate ?
--- I’m not sure, I ________ go to the movies instead.
A.wouldB.shouldC.mightD.must

题型:不详难度:| 查看答案
You ______ wash your hands before meals. It is good for your health.
A. may  B. can  C. must
题型:不详难度:| 查看答案
—Must I finish my homework at once?   
— No, you ______.
A. needn’t B. mustn’t C. won’t
题型:不详难度:| 查看答案
- _______ I take my umbrella with me?
- _______ better to do so. The weather is changeable.
A.Must; You"dB.Shall, It"sC.Need; You"dD.Would; It"s

题型:不详难度:| 查看答案
-May I watch TV now, Mum?
-No, you_______. You_______ do your homework first.
A. don"t; must     B. don"t; can"t   C: can"t, must     D. can"t; can
题型:不详难度:| 查看答案
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