◎ 题干
—I don't think we have met before,________?
—Yes,once at a party,but we weren't introduced.
A.do IB.have weC.don't ID.haven't you
◎ 答案
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“—I don't think we have met before,________?—Yes,once at a party,but we weren't introduced.A.do IB.have weC.don't ID.haven't you…”主要考查了你对  【一般疑问句】【特殊疑问句】【反意疑问句】  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。