问题补充:
I didn’t see your sister at the meeting. If she , she would have met my brother.
A. has come
B. did come
C. came
D. had come
答案:
A. has come
B. did come
C. came
(答案→)D. had come
解析:考查含有if条件句的虚拟语气。根据didn’t和would have met,可知指的是过去的情况,所以if条件句的谓语动词用过去完成时。选D。