1.问候Greetings
　　Good morning/afternoon/evening.
　　Hello/Hi!
　　How are you?
　　Fine, thank you. And you?
　　Very well, thank you.
　　2.介绍Introductions
　　a.This is Mr/Mrs/Miss/Ms….
　　I'd like you to meet….
　　b.How do you do?
　　Nice/Glad/Pleased to see/meet you.
　　c.My name is….
　　I'm a(student/teacher, etc.).
　　d.I'm Chinese.
　　3.告别Farewells
　　a.I'm afraid I must be leaving now.
　　I think it's time for us to leave now.
　　b.Good-bye! (Bye-bye! Bye!)
　　See you later/tomorrow.(See you. )
　　Good night.
　　4.感谢和应答 Thanks and responses
　　a.Thank you (very much).
　　Thanks a' lot.
　　Many thanks.
　　Thanks for ..
　　b.It's very kind of you to ....
　　Not at all.
　　It's/That's all right.
　　You're welcome.
　　5.祝愿.祝贺和应答 Goodwishes,congratulationsand responses
　　a.Good luck!
　　Best wishes to you!
　　I wish you good luck/success!
　　Have a nice/good time.
　　b.Thank you.
　　The same to you.
　　c.Happy New Year!
　　Merry Christmas !
　　Happy birthday (to you).