问题描述： Today is Friday .I haven't seen Jack since Tuesday.同义句他们是几天没见了 1个回答 分类：英语 2014-10-29 问题解答： 我来补答 他们是几天没见了they haven't met ( for) four days(从周二到周五,连头带尾,4天）同义句还可以是i didn't see jack 4 days ago完成时和过去式的转换 展开全文阅读
