Question

I often see the girls ________ in the room. They are very pleased.

A．dance

B．dances

C．dancing

D．to dance

Answer 1

A

此题重点考查see sb do sth和see sb doing sth的区别。都表示看到某人做某事。前者表示看到某人经常做某事或做过某事；后者表示看到某人正在做某事。根据语境可知我经常看到女生们在房间里跳舞，她们非常开心，故选A。