题目

1、Only after we left the building ______ how dangerous the situation had been.
A.was I realized B.I realized C.did I realize D.I was realized
2、______ on the top of the tower,and you can see the whole city.x05
A.Standing B.To stand C.Stood D.Stand
3、He made a mistake,but then he corrected the situation _____ it got worse.x05
A.until B.when C.before D.as

提问时间：2021-03-20

答案

1.C only +状语或者状语从句位于句首的时候,句子用部分倒装结构.
2.D 题中有并列连词and,所以前面是一个祈使句
3.C 他犯了一个错误但是在问题变得糟糕之前他改正了问题.