At the party, everybody congratulated the scientist ______ winning the award aft

游客2024-06-26  12

问题 At the party, everybody congratulated the scientist ______ winning the award after his years of hard work.

选项 A、to
B、on
C、at
D、about

答案 B

解析 本题考查的是介词搭配问题。congratulate sb.on sth.意思是“为某事向某人表示祝贺”,符合句意,故选项B为正确答案。
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