问题描述: 单项选择 1,what's seven ( )nine?A.and B.or C.for 1个回答 分类:英语 2014-10-22 问题解答: 我来补答 选A what's seven and nine?意思是:7+9=?减 :minus 用法相同 .如:Five minus three is two. 展开全文阅读