问题
选择题
― When did you start your math homework?
― One hour ago, but I it yet.[ ]
A. didn't finish
B. finished
C. have finished
D. haven't finished
答案
答案：C
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― When did you start your math homework?
― One hour ago, but I it yet.[ ]
A. didn't finish
B. finished
C. have finished
D. haven't finished
答案：C