—How long did the meeting last this afternoon?—It was supper time the meeting was over.A.

发布时间：2020-08-16 12:40:55

—How long did the meeting last this afternoon?
—It was supper time      the meeting was over.
A. that
B. at which
C. when
D. until

网友回答

A. that
B. at which
(答案→)C. when
D. until
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