I‘m reading English ____my brother is listening to music

I‘m reading English ____my brother is listening to music
I‘m reading English ____my brother is listening to music

I‘m reading English ____my brother is listening to music
when我读英语的 时候我哥哥在听音乐

while

while
我们老师刚讲过的，while用于现在进行时
when用于一般现在是

while 表转折 “然而” 因为你们俩干的不是同一件事