问题补充:
It is greatly that he gave back the money he found on the bus.
A. for his delight
B. to his delight
C. to his credit
D. in his credit
答案:
A. for his delight
B. to his delight
(答案→)C. to his credit
D. in his credit
解析:考查固定搭配to one’s delight让某人高兴的是…;to one’s credit值得赞扬的是…;句意:值得赞扬的是他把在车上发现的钱还了回去。故C正确。