问题描述: His flat is on (the seventh) floor?(划线提问)横线用括号代替 1个回答 分类:英语 2014-10-27 问题解答: 我来补答 很高兴能够在这里回答你的问题,这道题的正确答案应该为:Which floor is his flat on? 展开全文阅读