问题描述: 找出错误并改正:What are your brother doing? 1个回答 分类:英语 2014-10-10 问题解答: 我来补答 答案:are 变成is解释:第二人称时用“are”,而“your brother ”是第三人称,所以用“is” 或者变成“What are you doing”也是正确的希望会对你有所帮助. 展开全文阅读