---Someone is knocking at the door. Is it your brother?---No, it        be him.

---Someone is knocking at the door. Is it your brother?---No, it        be him.

题型:不详难度:来源:
---Someone is knocking at the door. Is it your brother?
---No, it        be him. He’s gone to Hunan.
A.mustn’tB.won’t C.can’t  D.needn’t

答案
C
解析

试题分析:句意:--某人正在敲门。它是你的兄弟吗?--不,它不可能是他。他已经去湖南了。分析:几种可能表达的方式:must be语气最为强烈,说话者主观肯定超过90% 比如:You must be John!你一定是John!(不可能是别人);can"t be是一种否定语气用法,但主观语气确定性大过50% 比如:You can"t be John!你不可能是John。(半带猜测的否定,“你应该不可能是的”);而选项中mustn’t为禁止之意。故选 C
举一反三
—Shall I help you prepare for the dinner?
—No, you ________. Everything has been ready.
A. can’t            B. mustn’t         C. needn’t
题型:不详难度:| 查看答案
—____ I swim here?
—I’m sorry. Children ____ swim alone here..
A.Must, can’tB.May, must
C.Can, mustn’tD.Can’t, can

题型:不详难度:| 查看答案
---Look at the glasses on the desk. Are they David’s?
---They      belong to him. I saw him go out with glasses just now.
A.mightB.could
C.mustn’tD.can’t

题型:不详难度:| 查看答案
— Listen! Jane is singing in the next room.
— It             be her. She has gone to New York.
A.can’tB.must
C.shouldn’tD.can

题型:不详难度:| 查看答案
- What type of mobile phone do you want to have? Something big?
- Well, it _______ be big - that"s not important.
A mustn"t      B. needn"t         C. can"t           D. won"t
题型:不详难度:| 查看答案
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