◎ 题干
You____Tom at the party yesterday;he went abroad for a holiday last week.
A.should have seenB.might have seen
C.mustn’t have seenD.couldn’t have seen
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“You____Tom at the party yesterday;he went abroad for a holiday last week.A.should have seenB.might have seenC.mustn’t have seenD.couldn’t have seen…”主要考查了你对  【情态动词】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。