◎ 题干
We found __________ to sleep.
[     ]
A. difficult to get
B. it difficult getting
C. it difficult to get
D. that difficult to get
◎ 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“We found __________ to sleep.[ ]A. difficult to getB. it difficult gettingC. it difficult to getD. that difficult to get…”主要考查了你对  【不定式】【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。