问题描述： It's one of the biggest city in China.找错 1个回答 分类：综合 2014-09-27 问题解答： 我来补答 city 改为 cities请及时采纳,多谢! 再问： 再帮我下 The boy really didn't know what to do it. 再答： 删掉 it 展开全文阅读
