I am doing my homework now.I have no time to play ping-pong with you.改为同义句I am doing my homework ____ ____ ____.I have no time to play ping-pong with you.

问题描述:

I am doing my homework now.I have no time to play ping-pong with you.改为同义句
I am doing my homework ____ ____ ____.I have no time to play ping-pong with you.

at the moment