问题描述: 对话:A:" B:"That's OK.Lunch is on me." 问号应填什么? 1个回答 分类:英语 2014-12-10 问题解答: 我来补答 A:how much is it 午餐多少钱?B:That's OK.Lunch is on me.不用了,午餐我请吧 展开全文阅读