While we were talking,the teacher came in.此句 可不可以用when代替while?while 在此句中可不可以用when代替?如果可以请讲讲理由,别复制一大堆那种when while的那个区别.

They were singing while we were dancing. They were singing while we were dancing这句话可以用while吗 while we were walking yesterday afternoon.the bell rang. We were very close friends for a while,but … We were shouting while the performers (march) across the park. when we were watching it和while we were watching it哪个对,为什么? We're talkin to Alan,a thirteen-year old boy. While we were having tea请问这里的While能说成Just We left our neighbour in charge of our children while we were away句型转换We left our children_____ ______ ______of our neighbour while we were away. They were singing while we were dancing.怎么读,我想知道它们的发音 we were having a party when the train started 用while 改为同义句while we ---- ---- a party ,the train ---- We d____ this beach while we were searching around the island. We d____ this beach while we were searching around the island.句子翻译一下好吗 We _____ leave _____ it began to rain ..A.were not going to ,when B.were about to ,whenC.were to ,while D.were about to ,as 英语翻译希望大家能给出中文的翻译谢谢 My child arrived just the other day;Came to the world in the usually wayBut there were planes to catch and bills to pay.He learned to walk while I was away.He was talkin' 'fore I knew it.And as h 翻译：While we were watching the play ,I suddenly noticed a man with a funny look . when the teacher came in,we were reading.(用while改写句子） We were watching TV ___ suddenly the light went out.填when还是 while?为什么?