题目内容
1.-Peter looked tired and a little absent-minded at the meeting.-He _____ up too late.( )
A. | may stay | B. | could stay | ||
C. | should have stayed | D. | must have stayed |
分析 ---在会上Peter看上去有点累而且有一点心不在焉的.
---他一定是熬夜他迟了.
解答 答案D.
A项和B项都是"情态动词+动词原形"表示对现在情况的推测;C项和D项都是"情态动词+have+done"表示对过去情况的推测或虚拟;"should have stayed 过去本应该熬夜太迟了但事实上没熬夜太迟"表示对过去情况的虚拟;"must have stayed 过去肯定熬夜太迟了"表示对过去情况的肯定推测;根据上下文语境可知,上句表示‘在会上Peter看上去有点累而且有一点心不在焉的',答句中回答‘他一定是熬夜他迟了',因此D项符合语境,故选D.
点评 本题考查情态动词.解答此类题目关键是要读懂句意,并且对每个情态动词的基本用法和特殊用法都要熟知,然后根据语境辨析锁定答案.
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