Temporary failure is not to be feared. We must bear it in mind that the pains-taking efforts we have made will in the long run.
A. pay off
B. take off
C. break off
D. work off
网友回答
(答案→)A. pay off
B. take off
C. break off
D. work off
解析：考查短语辨析。pay off还清，得到回报，take off 脱掉，break off中断，work off慢慢除去，根据语境是从长远来看我们付出的努力将会得到回报。故选A。