用as,when,while,时间状语造句,每个三句,
问题描述：
用as,when,while,时间状语造句,每个三句,
答
As I arrived at the train station,the train has left.我到火车站的时候,火车已经开走了.When he returned from work,his wife was cooking.他下班回家时,他的妻子正在做饭.While we were having breakfast,our li...