The exam was very difficult but everyone pass.A. had toB. wouldC. couldD. was able to

发布时间：2020-08-16 07:17:20

The exam was very difficult but everyone      pass.
A. had to
B. would
C. could
D. was able to

网友回答

A. had to
B. would
C. could
(答案→)D. was able to
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