◎ 题干
_____ his letter, I decided to write to him again
A.Receiving notB.Not receiving
C.Having not receivingD.Not having 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“_____ his letter, I decided to write to him againA.Receiving notB.Not receivingC.Having not receivingD.Not having 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。