◎ 题干
 
31. An e-pal, as you have known, means a friend ______ you write e-mails.
A.to whichB.for whomC.about whomD.to whom
◎ 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“31. An e-pal, as you have known, means a friend ______ you write e-mails.A.to whichB.for whomC.about whomD.to whom…”主要考查了你对  【therebe句型】  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。