不是不可以
应该是
he was seen sitting in the reading room an hour ago 就代表有人看见了他”正在“坐下
而he was seen to sit in the reading room an hour ago代表有人看见他坐在图书馆里
He was seen () in the reading room an hour ago.
He was seen () in the reading room an hour ago.
A.sit B.sitting C.sat D.to sit
我们老师说选D.可为什么不是B
A.sit B.sitting C.sat D.to sit
我们老师说选D.可为什么不是B
英语人气:411 ℃时间:2020-04-14 05:52:34
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