问题描述： They （study） English last year.变否定句、疑问句和回答. 1个回答 分类：英语 2014-09-28 问题解答： 我来补答 否定句：【They didn't study English last year?】一般疑问句 ；【Did they study English last year?】肯定回答；【Yes,they did】否定回答：【No,they didn't】【Me YC真诚为你解答此题, 展开全文阅读
