While we were having tea请问这里的While能说成Just

While we were having tea请问这里的While能说成Just we were having a party when the train started 用while 改为同义句while we ---- ---- a party ,the train ---- 用所给的词语组成句子the,while,telephone,we,breakfast,were,rang,having 连词成句 The. While. Telephone. We. Breakfast. Were.Rang. Having. 译We were having a party while my neighbour is sleeping. ( )we were having breakfast,he came in.A.while B.when C.after 选哪个?为什么? The students in Class One were having a P.E class()we were having a math class.A.when B.while C.asD,since They were singing while we were dancing. （While we were having breakfast） ,tommy found two small coins on the floor 针对划线部分提问. 有关when 和while题 如下____ we were having a good time,an accident happened.为什么是while 而不是when They were singing while we were dancing.和He came while I was having shower.这两个句子都是时间状语从句.为什么第一个的主句用过去进行时第二个则用一般过去式. when和while的用法,下面句子能互换吗?While we were having breakfast,Tommy found two small coins on the floor.--句首“while”能换成“when”?---------------------------------------希望能说说他们的用法区别, while they were having a meeting ,3 while they were having awhile they were having a meeting ,3 psychiateists had an interesting. people are always coming to v___ us with their guilt and fears one said ,but we have no one to talk about our p___ Si He was still working on his project while other people were having a rest 为什么是were having They were singing while we were dancing这句话可以用while吗 一道关于when和while的选择题_________did the bell ring?________ we were having dinner,the bell rang.A.when;when B.when;whileC.while;while D.while;when答案是B,可我觉得A、B都对.when可以用来代替while不是么,它既可 We were having fun in the playground when the bell We were having a party when the rain started.(改为同义句) ________ we were having a party, therain _______.