高二英语选择：We could have asked someone to carry
We could have asked someone to carry out the plan privatelywithout it _____.
A was known B.knowsC.being knownD.be known
请详细说说.
人气：333 ℃ 时间：2020-06-13 00:16:01
解答
C AB选项里都有动词 句子里不可能两个动词 without介词后面跟 ing形式为什么不是过去式呢？without doing 是固定搭配
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