(2009安徽安庆模拟) He _____ have completed his work; otherwise, he

(2009安徽安庆模拟) He _____ have completed his work; otherwise, he wouldn’t be enjoying himself by the seaside.
A.should B.must C.wouldn’t D.can’t
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andysummertoo 花朵

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B 此处考查情态动词表示推测的用法。should have done表示过去应该做而实际并没有做,因此淘汰A项。would不用来表推测,因此淘汰C项。B基与D项虽然都可以表示推测,但B项表肯定意义而D项表示否定推测,...

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