问题描述: Are those( )trousers?No,( )aren't.( )are biue.(they)用代词怎么填 1个回答 分类:英语 2014-09-18 问题解答: 我来补答 -Are those(their )trousers?-No,(they )aren't.( They)are biue.(they) 展开全文阅读