I was playing the piano when I was reading nespaper.这里到底用when还是while.

问题描述:

I was playing the piano when I was reading nespaper.这里到底用when还是while.

怎么可能一边看报纸一边弹钢琴?

while.

两个同时进行的动作或状态都用进行时,中间用while连接
不过这里你一边弹琴一边看报纸.高手