Without electricity human life ____ quite different today.
问题描述：
Without electricity human life ____ quite different today.
A.is
B.will be
C.would have been
D.would be
可是为什么呢?
答
本题是对是对现在的虚拟,所以从句用would do 的形式,对过去做虚拟,用would have done,对将来做虚拟也用would do.
注：without是虚拟语气的标志,类似还有but for