◎ 题干
Do you know the reason ______ he was late?
[     ]
A. for which
B. for what
C. which
D. that
◎ 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“Do you know the reason ______ he was late?[ ]A. for whichB. for whatC. whichD. that…”主要考查了你对  【关系代词】【介词】【定语从句】  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。