问题描述:
I didnt see your sister at home.if she ____,she would have met me.
A has come B did come C had come
答案为什么是C
请说理由
另外B为什么不可以,did come我不可以理解为确实来了嘛..
A has come B did come C had come
答案为什么是C
请说理由
另外B为什么不可以,did come我不可以理解为确实来了嘛..
问题解答:
我来补答展开全文阅读