问题描述: There is a pair of jeans on Bill's bed.____ blue.是用They're 还是用It's要解释 1个回答 分类:综合 2014-11-04 问题解答: 我来补答 用It's , a pair of jeans 一条裤子, 表示单数, 所以用的there is . 因此用IT 指代a pair of jeans . 展开全文阅读