◎ 题干
The clever boy made a hole in the wall, ________ he could see what was going on inside the building.
A.on whichB.at whichC.through which D.in which
◎ 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“The clever boy made a hole in the wall, ________ he could see what was going on inside the building.A.on whichB.at whichC.through which D.in which…”主要考查了你对  【限制性定语从句】【非限制性定语从句】  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。