unit 81 确定日期
dialogue 英语情景对话
A:What day is today? Tuesday? A:今天星期几？星期二吗？
B:Yeah. I bet you did forget everything. What's the date today, do you know? B:对，我想你把什么事忘了吧！你知道今天的日期吗？
A:Ｉ bet it's May ５th. A:我想是5月5日。
