As/While
问题描述：
As/While
1.We were swiming in the lake____the storm began to come
2._____ soon as he comes back,I'll tell him
3.Don't talk_____you're eating
4._____it grew darker,it became colder
5.____ in trouble,ask her for help
6.Things are getting better and better _____ time goes on
第五个为什么用while
答
1,while
2‘as
3,while
4,As
5,while
6,as第五个为什么用while当你有困难的时候去找她如果用as的话，意思就变成，由于你有困难，去找她。语句会不顺的