while,when,during,since,for的用法及区别做题的时候应该注意什么?

during,while和when有什么区别? while,when,during,since,for的用法及区别做题的时候应该注意什么? 请问,during、while和when三者在用法上有何区别? wo visitied Beijing and Shanghai ____(when /while/ as/ during) our stay in China. 既然when while可以引导时间状语从句那么during能不能引导时间状语从句? he bought many things his stay in Beijing.A,during B,when C,while D,as为什么是his,而不用he在告诉我什么情况下用 during,when while as she still rembers the day__she spent in the countrysideA.while B.that C.when D.during which为什么不是C was it during the second world war _______he died?A.that B.while C.when 选什么?一定说明原因 while during when 的用法分别是怎样的 ,这三个单词之间又有什么区别呢. as和during和when和while的区别词性、用法、时态、后面跟什么词性的、主语、变化 The result will be announced( ) the programmes.Don't miss it.A.when B.while C.as D.during when shines during the while,as,when 区别? when while as 区别 while&when的区别. when while的区别 when while 的区分 when和while区别