问题描述: 急...请问一下be good at 1个回答 分类:英语 2014-11-16 问题解答: 我来补答 e good at ...表示擅长于...后面接名词或者动名词(即动词ing形式)做宾语例如:he's good at piano.he's good at playing the piano. 展开全文阅读