问题描述: She seemed to have read the book before,seemed可以换成seems,为什么 1个回答 分类:英语 2014-11-15 问题解答: 我来补答 seemed and seems,可以换,只是意思有点不一样了.“之前看过这本书”这件事可以是现在的情况,也可以是“她”过去的. 展开全文阅读