问题描述： My sister can play the piano变为否定句和一般疑问句,做两种回答求你们啦 1个回答 分类：英语 2014-10-23 问题解答： 我来补答 否定句：My sister can't play the piano.My sister isn't able to play the piano.一般疑问句：Can your sister play the piano?Is your sister able to play the piano? 展开全文阅读
