11. She dedicates herself to her work. She is such a dedicated teacher that her efforts wi

问题补充：

11. She dedicates herself to her work. She is such a dedicated teacher that her efforts will .

A. pay off

B. be fed on

C. pay back

D. be given back

答案：

(答案→)A. pay off

B. be fed on

C. pay back

D. be given back

解析：考查短语辨析。pay off 还清，得到回报，be fed on 以什么为食，pay back 偿还，be given back 归还，句意：她专心于她的工作，她是一个如此专心的老师以至于她的努力会得到回报。所以选A。