你这题两条横线不够吧.
你看：
Li Hua is a good football player.
Li Hua is good at playing football.
Li Hua does well in playing football.
只能改成这两种了 一个是‘be good at’,一个是‘do well in’都是擅长的意思
这两种写法后面都必须加ing形式（例：playing
你再去看看几条横线.