因为现在完成时表示过去发生,对现在有影响
没完成作业的影响是不能加入你们
I （）my homework,I guess I can't join you.
I （）my homework,I guess I can't join you.
A.don't finish
B.didn't finish
C.haven't finished
D.won't finish
答案是选C,可我选的A,为什么?
A.don't finish
B.didn't finish
C.haven't finished
D.won't finish
答案是选C,可我选的A,为什么?
英语人气：448 ℃时间：2019-11-09 04:19:12
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