I saw a boy ( )under the tree just now A :to stand B:standing C:s_英语解答

I saw a boy ( )under the tree just now A :to stand B:standing C:stood D:was standing 选哪个?

人气：355 ℃　时间：2019-10-23 14:53:05

解答

B,固定搭配 see sb doing sth.也有see sb do sth.怎么区分？see sb do sth,强调看见某人做某事的全过程see sb doing sth 强调动作正在进行