问题描述: how much is that pair of trousres it's 50yuan 还是they are 50yuan 1个回答 分类:英语 2014-11-09 问题解答: 我来补答 they are 50yuan 裤子是复数 再问: 能进一步解释一下吗?前面用的是is that pair of ,不是应该是单数吗? 再答: 但是中心词是裤子 展开全文阅读