to be the best at,try to work at 为什么有两个at,一定要有吗?

题目

to be the best at,try to work at 为什么有两个at,一定要有吗?
"I'm no different than anybody.Basketball to me,it's a game that I want to try to be the best at,try to work at as much as possible.

答案

一定要有的,因为词组是be good at something,擅长某事还有work at something以.为职业,这两个连接词at都是不可省略的,所以这里变换了语序也是一样