问题补充:
All her hard work in the end, and she finally passed the exam.
A. paid back
B. paid off
C. brought out
D. brought off
答案:
A. paid back
(答案→)B. paid off
C. brought out
D. brought off
解析:考查词组意思,paid back意思“报答”, paid off意思“取得成功”, brought out意思“带出”,brought off意思“完成”,句子意思“经过她的刻苦学习最后取得了成功,她最后通过了考试”,所以选B