2015年自考英语一重要考点复习:固定搭配(0129)
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[2008.10]The President was among the first to congratulate the scientist ______ his new discovery.
A.at
B.in
C.about
D.on
正确答案：D
答案解析：本题考查介词的固定搭配。congratulate sb on sth：祝贺某人某事。
编辑推荐：
