She was watching TV when I came in.为什么不用was coming?

He was watching TV when I came in.（同义句） I came in when she was reading 为什么错了? 按要求变换句型1 I was watching TV when Mother came in.(用while替换) __ my mother was watching TV ______my father came in.A when B a When I came back home,my father was watching TV yesterday 为什 I was watching TV when he came into the room——（轻轻地） He was watching TV when his mother came home.对watching TV做提问 while he came into the room,i was watching TV. He was watching TV when i was washing clothes. 这句话哪错了,为什么? While I was watching TV,he came in.(改为同义句） I 填两词 TV 填一词he ca She ____(lie)in bed while she was watching TV. 英语翻译I was watching a TV series one night when I took in one