题目内容
We offered him our congratulations＿＿＿＿＿his passing the college entrance exams.
A. at B. on C. for D. of
B
解析:
offer sb. congratulations on sth. or doing sth.＝congratulate sb. on sth. or doing sth.
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题目内容
We offered him our congratulations＿＿＿＿＿his passing the college entrance exams.
A. at B. on C. for D. of
B
offer sb. congratulations on sth. or doing sth.＝congratulate sb. on sth. or doing sth.