◎ 题干
—You should have thanked her before she left.
—I meant ________, but when I was leaving I couldn’t find her anywhere.
A.to do B.toC.doing D.to have done
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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 should have thanked her before she left.—I meant ________, but when I was leaving I couldn’t find her anywhere.A.to do B.toC.doing D.to have done…”主要考查了你对  【全部倒装】【部分倒装】【省略句】  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。