◎ 题干
Didn't _________ ever occur to you that such possibilities still existed?
[     ]
A. they      
B. it      
C. that      
D. this
◎ 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“Didn't _________ ever occur to you that such possibilities still existed? [ ]A. they B. itC. thatD. this …”主要考查了你对  【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。