问题描述: she died in 1993 同义句转换 WHen did she discover she had a cancer 改错 1个回答 分类:英语 2014-11-13 问题解答: 我来补答 She has been died since 1993 用现在完成时解决改错中 had 错了 应该改为 had had 此句应为她发现时已经患有癌症,应为 过去完成时 展开全文阅读