单项选择题
A．That's all B．Wait a minute C．It's a good deal D．Here's your change
A．Alright, I won't say it B．Sorry, I won't be late next time C．You're right. I'm just joking D．Ok, you've made your point
A．Nice to meet you B．Have a nice day C．I hope you will soon feel better D．I wish you a pleasant journey