wich sentence is correct i am good at play the piano .and i am go_英语解答

wich sentence is correct i am good at play the piano .and i am good at the piano
如标题 ..那个正确..为什么

人气：315 ℃　时间：2019-10-23 08:56:16

解答

只能是后一个对啊
因为be good at必须跟名词或者动名词,可以说good at playing the piano或者good at the piano