when while theni was about to go back to sleep ________suddenly my bedroom became as bright as day.A.when B.while C.then D.as 为什么不是C呢

when while theni was about to go back to sleep ________suddenly my bedroom became as bright as day.A.when B.while C.then D.as 为什么不是C呢 there was a time 后面加when还是while When/While it began to rain ,I was watching TV when he was child可以用while替换吗 what were you doing __your father__back?A.while ;came B.when ;came C.while ;was coming D.when ;was coming My father was reading newspapers__my mother was cooking 填when还是while答案上选while,但我觉得应选when,原因是我认为when>while I was playing the piano when I was reading nespaper.这里到底用when还是while. She looked after my baby while I was away为什么用while,不用when? He got excited at the news,while I was calm.为什么用while ,不用when there was 什么 time 什么chinese used foreign oil A. a when B. a while C. / when D. / while My sister was reading a book while she was listening to the radio能不能用when 代替 while ____ I was falling asleep,there was a loud knock on the door.(when/while) it was raining hard___ i was on my way home yesterday空里应填when还是while 为什么? there was a loud noise outside________I was juat falling asleep.A while B when my father was playing football ------my mother was going shopping中考题 while when however what happend while Linda was on the telephone 中while是否可以写成when 为什么这里用while而不用when While I was walking in the street,I met Liu Dehua.转化为I met Liu Dehua while I was walking in the street.while换when, the door bell was ringing __I was watching TV last night .A .while B. when 答案是A在此when可以代替while吗?