when we were watching it和while we were watching it哪个对,为什么?

when we were watching it和while we were watching it哪个对,为什么? a.We were watching TV when we heard the door____ While we were watching the football match, my brother_____a We were watching TV when the telephone rang. 里的 The telephone rang.We were watching TV.合并为一句We were watching We were swimming when it _____________to rain. 翻译：While we were watching the play ,I suddenly noticed a man 一道英语选择填空,One evening we were watching television when our do we ____TV when the telephone rang.A watched B were watching 阅读并完成问题的回答what were you（ we were watching tv when the team w As we were watching TV,the postman arrived.求翻译 We were watching TV ___ suddenly the light went out.