1. 问候和应答
A: How are you doing? B: Fine, thank you. / Just so-so.
A: Please remember me to your parents. B: Sure, I will.
2. 介绍和应答
A: This is Mr./ Mrs./ Miss/ Ms Brown. B: Hello!/ How do you do ?/ Nice to meet you!
3. 告别
See you (later)! / Good night!( cf. Good evening!)/ Nice seeing you.
