He studied the project carefully, determined it ahead of time.A. finishB. finishingC. to

发布时间：2020-08-16 13:01:56


He studied the project carefully, determined      it ahead of time.
A. finish
B. finishing
C. to finish
D. to have finished

网友回答

A. finish
B. finishing
(答案→)C. to finish
D. to have finished
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