We offered him our congratulations his passing the college entrance exams.A. atB. onC. fo

发布时间：2020-08-17 12:55:10

We offered him our congratulations      his passing the college entrance exams.
A. at
B. on
C. for
D. of

网友回答

A. at
(答案→)B. on
C. for
D. of
解析：congratulate和它的名词congratulations要求接介词on。
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