问题描述： Jim did his homework last weekend改为一般疑问句 肯定回答 否定回答 否定句 1个回答 分类：英语 2014-10-18 问题解答： 我来补答 疑问：Did Jim do his homework last weekend?肯定回答：Yes,he did.否定：No,he didn't.否定句：Jim didn't do his homework last weekend. 再问： She was a doctor five years ago改为一般疑问句 肯定回答 否定回答 否定句 展开全文阅读
