While my mother_ (cook),I am doing my homework,中间填什么?为什么?
While my mother_ (cook),I am doing my homework,中间填什么?为什么?
while my mother ________(cook).I am doing my homework.
i was doing my homework while my mother (was cooking)为什么不填co
I am doing my homework和i am working on my homework有什么区别?
i am doing my homework,bye英语翻译
I am doing my homework ( r ) now
Am i doing my homework at home?
I do my homework _____home中间填什么
one saturday ,i was doing my homework while
The phone rang ( )I was doing my homework?A when B while 为什么
I am doing my homework.对doing my homework.提问是( )you( ).
i am doing my homework 为什么这里的do加ing?