Return the book immediately to the library as soon as you _____ with it.
A. finish
B. are finished
C. have finished
D. are finishing
A. finish
B. are finished
C. have finished
D. are finishing
【答案】
A. finish
B. are finished
C. have finished
D. are finishing
A. finish
B. are finished
C. have finished
D. are finishing
【答案】
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