关于be good at后面be good at playing basketball 可以不可以be good at math?

关于be good at后面be good at playing basketball 可以不可以be good at math? be good at 后面跟什么 be good at,为什么后面要加at be good at后面动词原形还是加ING? be good at的后面接动词原形吗 be good at 后面要加ing吗? be good at 后面是接do还是doing be good at后面接do还是doing? be good at 后面接动词什么形式 be good at 后面加名词还是动词 be good at.后面跟几种形式? be good at造句 用be good at be good at 造句 be good at 词性 be good at+什么? Be good at+__ be good at