I saw a boy ---- there A.stood B.standing C.to stand D.was s

问题描述:

I saw a boy ____ there A.stood B.standing C.to stand D.was standing
1个回答 分类:综合 2014-12-10

问题解答:

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B.standing
see sb doing sth句型,看见某人做某事
 
 
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