I want to know___his homework yesterday evening.A:if he finished B:whether he had finished为什么

问题描述:

I want to know___his homework yesterday evening.A:if he finished B:whether he had finished
为什么

选A 一般来说用wether的句子,句末要加or not楼上的不懂就不要瞎说,这跟虚拟语气无任何关系

A

B 过去的完成时呀.
这里不是虚拟语气,所以不要跟虚拟语气的完成时和过去式弄混了.

B