I can see a little girl___at the street corner.A.crying B.is crying选那个?为什么?

问题描述:

I can see a little girl___at the street corner.A.crying B.is crying选那个?为什么?

A
see sb do 看见全过程
see sb doing 看见片段

A
see sb doing sth 看见某人正在做某事
see sb do sth 看见某人做事的全过程