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题目
题型:不详难度:来源:
—Isn’t that Ann’s husband over there?
—No, it _______ be him—I’m sure he doesn’t wear glasses.
A.can’tB.must not
C.won’tD.may not

答案
A
解析
can’t be表示“不可能是”,对目前的事或存在的状态作出猜测。Mustn’t be表示“禁止,不准”,不表示猜测或判断。
核心考点
试题【—Isn’t that Ann’s husband over there?—No, it _______ be him—I’m sure he doesn’t 】;主要考察你对虚拟语气等知识点的理解。[详细]
举一反三
It rained a lot during their journey,so they _______ have had a good time.
A.can’tB.must
C.shouldn’tD.might

题型:不详难度:| 查看答案
The engineers must have worked out the design by the end of last week,_______?
A.mustn’t theyB.hadn’t they 
C.haven’t theyD.didn’t they

题型:不详难度:| 查看答案
You _______ be tired—you’ve only been working for an hour.
A.must notB.won’t
C.can’tD.may not

题型:不详难度:| 查看答案
—Excuse me.Is this the right way to the Summer Palace?
—Sorry, I am not sure.But it _______ be.
A.mightB.will
C.mustD.can

题型:不详难度:| 查看答案
—Why does Sara know so much about Angkor Wat?
—She _______ there,or she may have read about it.
A.must have been
B.shouldn’t have been
C.may have been
D.can’t have been

题型:不详难度:| 查看答案
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