问题描述:
Why are you standing here?I am
Why are you standing here?
I am waiting for my son.he ____ back from school.
A.didn't come
B.won't come
C.hasn't come
D.hadn't come
讲一下为什么
Why are you standing here?
I am waiting for my son.he ____ back from school.
A.didn't come
B.won't come
C.hasn't come
D.hadn't come
讲一下为什么
问题解答:
我来补答展开全文阅读