-I've already finished my homework.
-When __________ you ___________ it?[ ]
A. did;finish
B. have;been finishing
C. will;finish
D. could;finish
答案:A
-I've already finished my homework.
-When __________ you ___________ it?[ ]
A. did;finish
B. have;been finishing
C. will;finish
D. could;finish
答案:A