◎ 题干
We could have asked someone to carry out the plan privately without it ________.
[     ]
A. was known  
B. knows
C. being known  
D. be known
◎ 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“We could have asked someone to carry out the plan privately without it ________.[ ]A. was knownB. knowsC. being knownD. be known…”主要考查了你对  【动名词的被动式】  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。