一道考查情态动词的英语单选题

问题描述:

一道考查情态动词的英语单选题
With modern transportation,we can travel even in an hour to places which( ) our ancestors days to reach.
A.should have taken.B.would have taken
为什么A不行?

选B是正确的would have taken 是虚拟语气,表示将会花费.不能选A.虚拟语气should have done表示【应该能做而没有做成】的意思.这与题意相反.比如:You should have brought your homework here.你本应该把你的作业带...