As a graducate in computer science, he ___ to work out the problem.A．wouldn"t ha - 高中英语试题 - 超级试练试题库

题目

题型：不详难度：来源：

As a graducate in computer science, he ___ to work out the problem.

A．wouldn"t have failed

B．can"t have failed

C．mustn’t have failed

D．might not have failed

答案

解析

can’t/couldn"t have done表示对过去发生的事情的否定推测。

核心考点

试题【As a graducate in computer science, he ___ to work out the problem.A．wouldn"t ha】；主要考察你对虚拟语气等知识点的理解。[详细]

举一反三

You did not go to the party yesterday, or I ___ you.

A．would see

B．could meet

C．might have seen

D．might see

题型：不详难度：| 查看答案

—Did you arrive here this morning?
—Yes,it was at nine o’clock ____we came here.

A．when	B．before
C．which	D．that

题型：不详难度：| 查看答案

You____be ashamed of yourselves.You’ve created this problem.

A．have to	B．used to
C．needed to	D．ought to

题型：不详难度：| 查看答案

— Mary,how did your maths test go?
—I had thought I _____ ,but in fact I came in the top 10 in my class. 

A．should have failed

B．couldn’t have failed

C．might have failed

D．shouldn’t have failed

题型：不详难度：| 查看答案

We _____ last night,but we went to appreciate the flowerbeds and streetlights in Tian’anmen Square instead.

A．might study	B．could study
C．should have studied	D．must have studied

题型：不详难度：| 查看答案

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