问题描述: be good at doing sth.和be good at sth.区别 1个回答 分类:英语 2014-10-12 问题解答: 我来补答 没有区别,只是它们所接的词不同,接动词时一定要用ING形式,如He is good at singing .He is good at English . 展开全文阅读