问题
选择题
― Have you finished your composition already, Jack?
― Yes, I _____ it within half an hour. [ ]
A. have finished
B. finish
C. finished
D. had finished
答案
答案：C
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― Have you finished your composition already, Jack?
― Yes, I _____ it within half an hour. [ ]
A. have finished
B. finish
C. finished
D. had finished
答案：C