when while完型中是不是一定选whilewhile的 转折意思经常考吗？

when while完型中是不是一定选whilewhile的 转折意思经常考吗？ when和while是不是同义词? 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 they are old enough while 可以这样用吗?换成when是不是更好? 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 Can you look after my daughter _______I'm away.A.When B until C how D while 这题是不是选D啊,为什么? please don't taik so loud _____ others are working. 是不是 填 when while 都可以? When和While的用法和区别还有While是不是前后都是过去进行时,而When前面是过去进行时后面是过去式? 初二英语：when和while什么区别一定详细阿要举例顺别说说as和它们的区别 ***WHEN与WHILE用法区别? as when while 的区别 While和When的区别? when和while的区别