Look! That fellow is too sleepy to work. He ______ up reading until midnight.A.mustn’t stayB.mustn’t have stayedC.ought not to stayD.should not have stayed
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D解析考查情态动词+have done的用法。句意“看！那个家伙太困了以至于不能好好工作。他本不应该熬夜看书。”shouldn’t have done“本不应该做却做了某事”。故选D。