【题目】All his hard work ______. He was admitted into one of the best universities.
A. turned up B. paid off C. put off D. turned out
在线课程【答案】B
【解析】
试题分析：考查动词短语。句意：他付出的努力都得到了回报，他被最好的一所学校接受了。A. turned up（音量）调高，出现；B. paid off 努力得到了收货；C. put off推迟；D. turned out证明是，结果是；根据词义，故选B项。