The project is so designed that once nothing can be done to change it．A. startsB. having

发布时间：2020-08-16 13:05:39

The project is so designed that once      nothing can be done to change it．
A. starts
B. having started
C. started
D. starting

网友回答

A. starts
B. having started
(答案→)C. started
D. starting
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