◎ 题干
________ occurred to me that the murder happened ________ a rainy day.
  [     ]
A. What; in 
B. What; on
C. It; in 
D. It; on
◎ 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“________ occurred to me that the murder happened ________ a rainy day. [ ]A. What; inB. What; onC. It; inD. It; on…”主要考查了你对  【介词和介词短语】【it的用法】  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。