◎ 题干
_____ a reply, he decided to write again.
A.Not receiving B.Receiving not
C.Not having receivedD.Having not received
◎ 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“ _____ a reply, he decided to write again.A.Not receiving B.Receiving notC.Not having receivedD.Having not received…”主要考查了你对  【现在分词的被动式】【现在分词】【不定式的被动式】【过去分词】  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。