问题描述： could't have done和can't have done的区别 1个回答 分类：英语 2014-12-06 问题解答： 我来补答 给个例子吧,不同用处,自己消化.She can't have done it.我拒绝相信她真做了.She couldn't have done it.她不可能可以完成的. 展开全文阅读
