完形填空题,advantage,benefit,behalf的区别

题目

完形填空题,advantage,benefit,behalf的区别
You can,of course,get on at work just by reacting positively to your manager,but that is not likely to be the most successful way to run your working life.An active policy of managing upwards will make you more successful and,at the same time,make the business of going to work more enjoyable.it can also be a way to show appreciation to your manager for the efforts he or she has made on your (____).
A.advantage B.benefit C.side D.behalf
能答对并清楚说明原因者,重酬.

答案

四个选项各自的搭配为
to one’s advantage 对某人有利
for one’s benefit 对某人有利
on one’s side 支持某人,站在···一边 by one's side 在···旁边,附近
on sb’s behalf 为,替,给,为
最后一句话的意思是,向你的经理为你所做的努力表示感谢也是一种办法.