问题描述: where we have rules和where do we have rules有什么区别?其中是否有一句有语法错误? 1个回答 分类:英语 2014-11-04 问题解答: 我来补答 where we have rules做主语,宾语或表语用,where do we have rules单独成为疑问句? 展开全文阅读