问题描述: Mr Black came to China seven years ago.(改为同义句) 1个回答 分类:英语 2014-11-17 问题解答: 我来补答 Mr Black has been to China for seven years. 再答: 望采纳,谢谢 再答: 不好意思,介词to应该改为in 展开全文阅读