问题
选择题
Her design won the first prize in the competition. Years of patience and hard work had at last ______.
A．put off
B．paid off
C．taken off
D．kept off
答案
答案：B
考查短语辨析。put off 推迟，paid off 还清，得到回报，taken off 起飞，kept off 远离，句意：她的设计在比赛中获得了一等奖，几年的耐心和努力工作最终得到了回报。所以选B。