as、while、which、until、after、that和when在什么时候用,为什么?它们有什么区别?

as、while、which、until、after、that和when在什么时候用,为什么?它们有什么区别? as/since/until/when/while的区别 while,when,until,after,before,as soon as 怎么用? 这道题为什么不能选while?__ they decide which college to go to,students should research the admission procedures.A.As B.While C.Until D.Once这道题的答案是once,为什么不能选while? they decide which college to go to,students should research the admission procedures.A.As B.While C.Until D.Once i was playing -------it began to rain.(until,as soon as,when,while)i was playing ------- suddenly it began to rain.(until,as soon as,when,while) as soon as ,since,while,when,befor until有什么区别 as soon as,when,while,before,after,until引导的时间状语从句的用法 until,while,since,as soon as的用法有什么区别?（通俗） 用as soon as,while,when,until造句,急.每个造一句 after,until,as soon as,while主句从句用什么时态 after ,not until ,as soon as ,while组词,每个5次 这道题为什么不能选while?__ they decide which college to go to,students should research the admission procedures.A.As B.While C.Until D.Once这道题的答案是once,为什么不能选while?选while意思不对吗? when,while ,until,till ,as soon as ,as ,after ,before,引导的时间状语从句的用法 如何区分when.while.as.before after.as soon as until时间状语从句的主句和从句 英语造句（状语从句）用when,while,as,as soon as,not……until,until,after,before8个词各造一个句子,大哥大姐们帮帮忙啦 ____the teacher came into the classroom,they were arguingbefore after until while as 选 I won't go home___I finish my work.A.when B.as C.while D.until