用when或while 填空what was happening___Rose was on the telephoneli mei was sleeping___.there was a loud knock on the dooryesterday moring the phone rang there times__we were having breakfast___you called,i was talking

填空what were you doing___I called you last night.用while还是when ____I was young,I liked dancing.用when或while填空.我觉得young是持续的,应该用while,但答案是when,为什么? 用when或while 填空what was happening___Rose was on the telephoneli mei was sleeping___.there was a loud knock on the dooryesterday moring the phone rang there times__we were having breakfast___you called,i was talking 【至今无人能答】while和when,although和while的用法和意义区别在哪?有例题①先说while和when,while表示时间段,when表示时间点.请看例题：用when或while填空1 i want the girls to experience that () they are young.2 用what 或what a /an填空 用while或when填空------her year was over,she said that she would return to the area after finishing her studies.为什么呢? 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 用when或while填空what was happening _______Rose was on the telephone?Li Mei was sleeping _______ there was a loud knock on the door.Yesterday morning the phone rang three times ____ we were having breakfast._____ you called,I was taking a walk i My mother asks( )I will come back home for dinner.用if,when,that.why或what填空 The hea dmaster asks( )you are late for school again用if,when,that.why或what填空 状语从句where/when /that/ which/what/as/while应该怎么用 英语填空,while和when的用法,为什么2只能用when不用while what was he doing ______ you saw him last night如题.a.while b.when c.before d.after 是用when么?怎么不是while 用连词填空（since,as,when,as soon as,while,if,after,before,until或because1._____ I get to Beijing,I will write to you.2._____all the students stood up,Millie came into the room. when用过去式或进行时,while只用进行时吗?为什么when还有主将从现,什么时候用? what were you doing when he arrived为什么是 when 不是while when 和while 后面跟什么时态 when和 while前后加DO或DOING的形式 while可以放句首吗.什么时候用when,while造句要逗号