The discussion alive when an interesting topic was brought in.A. was comingB. had comeC.

发布时间：2020-08-17 09:24:26

The discussion      alive when an interesting topic was brought in.
A. was ing
B. had e
C. has e
D. came

网友回答

A. was ing
B. had e
C. has e
(答案→)D. came
解析：e alive“变得活跃”。
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