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题目
题型:不详难度:来源:

You _____ be tired; you have been working for so long a time,
but he _____ be tired; he has just begun to work.
A.may not; must B.must; may notC.can’t; mustD.must; can’t

答案
B
解析

核心考点
试题【You _____ be tired; you have been working for so long a time,but he _____ be tir】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三

– Oh. I’ve just realized I haven’t got any money.
--Well, don’t worry. I _____ you some.
A.am about to lendB.will lendC.am going to lendD.am lending

题型:不详难度:| 查看答案

. --- The company spent thousands of dollars to promote its new product.
--- They _____: the world itself was more than ready to buy.
A.shouldn’t have botheredB.needn"t have bothered
C.couldn’t have botheredD.mustn’t have bothered

题型:不详难度:| 查看答案

The successful launch of Shenzhou VII must have immediately excited the Chinese, ____ it ?
A.needn’tB.didn’tC.hasn’tD.mustn’t

题型:不详难度:| 查看答案

---Is there any flight to New York?
--- I think there ______ be, for it is snowing so heavily.
A.shouldn’tB.mustn’tC.can’tD.needn’t

题型:不详难度:| 查看答案

--- What has happened to Alice ?
--- I don’t know. She__________her job.
A.can have lostB.may have lostC.should have lostD.need have lost

题型:不详难度:| 查看答案
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