What were you doing when the teacher came in?
I was talking with my friend.
What were you doing at 8 this morning?
I was reading.
What was father doing while your mother was cooking?
He was reading the newspaper when mother cooked.
英语翻译当老师进来的时候你正在做什么?我正在和我的好朋友说话.今天早上八点你再做什么?我当时正在读书.昨天妈妈在做饭时爸