At the party，John made up a joke， people burst out laughing.A. on whichB. by whichC. at wh

发布时间：2020-08-17 08:34:44

At the party，John made up a joke，     people burst out laughing.
A. on which
B. by which
C. at which
D. from which

网友回答

A. on which
B. by which
C. at which
D. from which
解析：“laugh at”固定搭配。
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