.I would have come earlier,but I ________ that you were waiting for me.

题目

.I would have come earlier,but I ________ that you were waiting for me.
A.didn’t know B.hadn’t know
C.would have known D.haven’t known
这一题为什么选a啊 虚拟语气对过去的假设是if had done +would / should / could / might have done 所以空中为什么不是had done

答案

本题考察虚拟语气和真实语气的结合,同时前一句省略了if从句.如果不省略应该是：If I had known earlier,I would have come earlier,but I ________ that you were waiting for me.如果我早点知道的话,我会早点来的（...