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英语
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Water must be kept from running away.这里面keep系动词不是无被动语态会进行时态吗
那这个里面为什么还用 be kept
人气：350 ℃ 时间：2019-10-19 19:19:43
解答
keep sb /sth from doing sth.阻止……做某事,在这里,keep 不是系动词.
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