◎ 题干
I can't send an e-mail. Could you show me _____?

A. what to doing
B. how to do it
C. what to do it
D. how to doing
◎ 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“I can't send an e-mail. Could you show me _____? [ ]A. what to doing B. how to do it C. what to do it D. how to doing …”主要考查了你对  【连接副词】【宾语从句】  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。