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试题题干

I( )harder, or I would have passed the examination.

A

should have worked

B

must have worked

C

could work

D

might work

参考答案

正确答案:

试题解析

本题考查情态动词的用法。should have done表示“本应该做某事却没做”,符合语境,故选A。
句意:我应该更努力些,否则我就会通过考试了。