We all know that we ________ our carbon footprint, but I suspect that many peop - 高中英语试题 - 超级试练试题库

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题型：不详难度：来源：

We all know that we ________ our carbon footprint, but I suspect that many people wouldn"t be prepared to go as far as Joan Pick, a retired scientist living in south London.

A．must have reduced	B．should have reduced
C．may have reduced	D．could have reduced

答案

解析

B 考察情态动词。句义：我们都知道本应该减少碳，但是我怀疑很少有人能够项Joan Pick一样。Must have done表示对过去情况的肯定推测。过去一定…；should have done本应该做某事，实际上却未做。May have done或许…；表示没有太大的把握，根据句义说明B正确。

核心考点

试题【 We all know that we ________ our carbon footprint, but I suspect that many peop】；主要考察你对动词的分类等知识点的理解。[详细]

举一反三

Brain, like muscles, also needs some kind of exercise and nutrition. The more you use your brain in the right direction, the more you ________ enhance your ability.

A．could	B．might
C．shall	D．will

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—Mum, I"m tired.
—Well, if you ________ go to bed after midnight every night, what do you expect?

A．will	B．may
C．should	D．can

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A hot balloon blew up in Egypt. There ________ something wrong with the quality of it.

A．may have been	B．must be
C．need have been	D．might be

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—David is often absent from class.
—Tell him he ________ answer for it if he goes on behaving like that.

A．shall	B．might
C．would	D．can

题型：不详难度：| 查看答案

Time ________ heal a broken heart. After five years, Steve seems to have got over the sorrow of losing his son.

A．should	B．would
C．shall	D．can

题型：不详难度：| 查看答案

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