While I （was watching） TV,my mother （was reading） books 这句话对吗?

While I was still while I still love,ok? while I was doing可省略I was吗 I was cooking while my sister was sleeping I singing someone doing heard my honework while was I I was doing my homework while my father was reading newspapers为什么填while 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, I stood in the doorway ,watchin my elder brother care这篇文章原文翻译 DAM!WTH!OMFG!What kind of stupid ending is this!i keep watchin While I was watching TV,the phone______(ring) 填什么 what were you doing while i was away last week When/While it began to rain ,I was watching TV while i was ate a meal the telephone is ranging. while i was c the window c后添什么 my sister was dancing while i ___ the piano. she_____ (watch) the parade while I was talking photos. While she was reading,I was watching TV 对吗was reading While she was reading,I was watching TV 对吗was reading She looked after my baby while I was away为什么用while,不用when?