题目

___,I should ask them some questions.A should they come to us B if they come to us
C were they come to us D had they come to us.这个题,选A是因为将来虚拟,如果C改成were they to come to us ,是不是也对?如果题干改成“I should have asked",那是不是选D?

提问时间：2020-08-10

答案

你的两个理解都是对的,表虚拟的条件从句中,如果声调条件引导词,使用倒装形式,你也注意到了C的语序错误