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We have been excavating layers of ash almost six metres thick, which suggests that they________the fire burning all winter.
A.should keepB.might have keptC.should have keptD.might keep

答案
B
解析

核心考点
试题【We have been excavating layers of ash almost six metres thick, which suggests th】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三

.He _____have solved all his probems; otherwise, he wouldn’t be so relaxed.
A.shouldB.mustC.wouldn’tD.can’t

题型:不详难度:| 查看答案

It is strange that such a thing____ in your school.
A.should happenB.would happenC.will happenD.happened

题型:不详难度:| 查看答案

—Could I have a word with you,mum?
—Oh,dear,if you _____.
A.canB.mustC.mayD.should

题型:不详难度:| 查看答案

---Listen! The fire engine is roaring! (消防车吼叫)
--- Oh, there ______ be a fire somewhere. How terrible!
A.shouldB.mustC.have toD.will

题型:不详难度:| 查看答案

. You __________ a taxi, for it was only about ten minutes’ walk to the station from the hotel.
A.mustn’t have taken;B.mightn’t have taken;C.needn’t have taken;D.couldn’t have taken;

题型:不详难度:| 查看答案
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