问题描述：
On entering the house,I found Mary ____at the desk ____something A.seating;writing.B.seated;wr...
On entering the house,I found Mary ____at the desk ____something
A.seating;writing.B.seated;writing
为什么?seat at the desk不是应该是形容MARY的吗?不应该是I found Mary who was seating at the desk吗?现在分词表示主动啊.还有,是found sth done吗?
On entering the house,I found Mary ____at the desk ____something
A.seating;writing.B.seated;writing
为什么?seat at the desk不是应该是形容MARY的吗?不应该是I found Mary who was seating at the desk吗?现在分词表示主动啊.还有,是found sth done吗?
问题解答：
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