问题描述: my sister is very healthy beause she often______(exercise) 1个回答 分类:英语 2014-11-16 问题解答: 我来补答 答案:exercises主语 she 第三人称单数,动词也用三单 exercises不明白的再问哟,请及时采纳,多谢! 展开全文阅读