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题目
题型:不详难度:来源:
-----Someone is knocking at the door.It ____ be Tom .
-----No, it ______ be him ;he has gone to Sydney.
A.must, can’tB.might, mustn’t
C.may, needn’tD.can, mustn’t

答案
A
解析

试题分析:考查情态动词表示推测。“情态动词+动词原形”表示对现在情况的推测;“情态动词+have done”表示对过去情况的推测。句意:—有人在敲门。一定是TOM。—不不可能是他,他已经去了悉尼了。本句中的must表示对现在情况有把握的肯定推测,can’t是一种有把握的否定推测。根据句意说明A正确。
点评:情态动词的用法比较复杂。突出的是表示推测:如果是对现在的情况进行推测,使用“情态动词+动词原形”;对过去的情况进行推测,使用“情态动词+have done”;情态动词也经常用于虚拟语气,要分具体情况来分析,在条件句中和宾语从句,表语从句中都有体现。
核心考点
试题【-----Someone is knocking at the door.It ____ be Tom .-----No, it ______ be him ;】;主要考察你对动词的分类等知识点的理解。[详细]
举一反三
----I passed the college entrance examination.
----Congratulations! You________.
A.could have studied hardB.must have studied hard
C.should have studied hardD.might have studied hard

题型:不详难度:| 查看答案
Nowadays, a graduate with a master’s degree_____ fail to find a high--paid job , which discourages a lot of college students.
A.shallB.can C.will D.must

题型:不详难度:| 查看答案
---______ he have been chosen as captain of our school football team?
---Yes, he______. Can’t you see he’s wearing an armband?
A.Can; canB.Must; must haveC.Can; must haveD.Must; must

题型:不详难度:| 查看答案
According to his will, his money ____be used to build a school instead of a market.
A.wouldB.couldC.shall D.might

题型:不详难度:| 查看答案
— My sons are not a little restless.
— Oh? Boys _______ be boys.
A.shouldB.canC.mayD.will

题型:不详难度:| 查看答案
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