英语状语从句的几道改错题

题目

英语状语从句的几道改错题
1.He rushed into the classroom as fast as he can.
2.The train had just started while John and his friend arrived at the station.
3.I finished my homework until ten last night.

答案

1.can--could 对应前面的rushed,过去式
2.while--when .从just 可看出是某一时刻.就在那时.
when 从句表示某时刻或一段时间 as 从句表示进展过程,while 只表示一段时间.
3.finished--didn't finish
not.until 表示直到.才.