问题描述: Ann did her homework yesterday evening.改成否定句!一般疑问句!特殊疑问句!有助于回答者给出准确的答案 1个回答 分类:英语 2014-11-10 问题解答: 我来补答 否定句Ann didn't do her homework yesterday evening一般疑问句Did Ann do her homework yesterday evening?特殊疑问句When did Ann do her homework? 展开全文阅读