◎ 题干
He is known _____ his being on time, so we don’t know the reason ____ his being late this time.
A.for; of B.as; for C.for; for D.of; of
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“He is known _____ his being on time, so we don’t know the reason ____ his being late this time.A.for; ofB.as; forC.for; forD.of; of…”主要考查了你对  【介词和介词短语】  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。