Your parents will see how good you are a______ push-ups,as well as math.

题目

Your parents will see how good you are a______ push-ups,as well as math.
可以问一下为什么填at吗？

答案

at
be good at sth/ doing sth.擅长某事物/做某事
你的父母会看到你有多么擅长俯卧撑,就像你擅长数学一样