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题目
题型:不详难度:来源:

.--- He has to finish the experiment today. He must be in the lab,____?
---That s quite possible.
A.mustn"t heB.won"t heC.doesn"t heD.isn"t he

答案
.D
解析
该题考查反意疑问句中尾句部分的助动词用法,must be结构中的中心词应为be,且He must be in the lab 相当于I think he is in the lab,故其尾句部分为isn"t he。
核心考点
试题【.--- He has to finish the experiment today. He must be in the lab,____?---That s】;主要考察你对疑问句等知识点的理解。[详细]
举一反三

You’ve switched the machine off. I told you not to,_____?
A.didn"t IB.haven"t youC.will youD.did I

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You must have waited here for a long time ,___________you?
A.mustn"tB.didn"tC.haven"tD.hadn"t

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What he lacks is more patience,___________?
A.isn"t itB.is itC.doesn"t heD.does he

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He must have attended the meeting yesterday,___________  he?
A.didn"tB.mustn"tC.needn"tD.hasn"t

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I told you that you shouldn"t waste your time playing the computer games,_____________?
A.didn"t IB.did IC.should youD.shouldn"t you

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