They classes when the earthquake happened. A. hadB. would haveC. were havingD. are having

发布时间：2020-08-16 09:54:01


They     classes when the earthquake happened.
A. had
B. would have
C. were having
D. are having

网友回答

A. had
B. would have
(答案→)C. were having
D. are having
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