We are having a good time _ in the water.

问题描述:

We are having a good time _ in the water.
A.to play
B.play
C.playing
D.to playing

We are having a good time (C.playing) in the water.
我们在水中嬉戏玩得很开心.
have a good time doing sth,做某事玩得开心,要填doing的形式.确定吗,只有这一种形式?确定的。