be good at 后跟什么形式

Question

如题所述

Answer 1

be good at 意为 “擅长……”，后接名词、代词或ving形式。例如：
I’m good at playing chess. 我擅长下象棋。

Answer 2

be good at doing sth
be good at sth本回答被提问者和网友采纳

Answer 3

be good at doing sth