一道关于when和while的英语题She looked after my baby _____ I was away.从句 I was away

一道关于when和while的英语题She looked after my baby _____ I was away.从句 I was away 关于when,as,while的一道英语题目The students are playing basketball__ it began to rain.A.as B.while C.when 请给出解释. 关于when 和 while 的有关练习题目when 和while 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 英语填空,while和when的用法,为什么2只能用when不用while 求关于when和while的语法区别 英语中,when和while的用法有什么区别? 英语:when和while,作为连词的用法?并举例. 在英语中,when 和 while的区别是什么? 英语 When和while的用法 (30 13:43:35) While和When的区别? when和while的区别 when和while的区别 while和when的用法 when 和 while的用法 when和while的用法 when和while的区别 有一道有关while和when的英语题- - One protestor said that the government could have done something to stop the spread of the demonstration （ ）they took no effictive steps.A.as B.since C.while D.when我想选C.求解答while不也有转