◎ 题干
—You can send me an e-mail when you are free. 
—Sure. But _______ is your e-mail address?

A. what
B. how
C. who
D. when
◎ 答案
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◎ 解析
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◎ 知识点
    根据魔方格专家分析,试题“—You can send me an e-mail when you are free.—Sure. But _______ is your e-mail address?[ ]A. what B. how C. who D. when…”主要考查了你对  【疑问代词】  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。