IntroducingEachOther互相介绍

Dialogue A 　　（A： Miss Huang； B： Mr. West； C： Mr. Chen； D： Mr. David） 　　A： I think we haven't met each other before， have we？ 　　B： Oh yes. Aren't you Miss Huang？ We met the other night at a dinner. 　　A： I'm very glad to see you again. Have you met Mr. Chen， our manager？ 　　B： No. I haven't had the pleasure. 　　A： Let me introduce Mr. Chen to you. This is Mr. Chen， our manager. 　　B： How do you do， Mr. Chen？ Glad to know you. 　　C： How do you do， Mr. West？ Glad to know you， too. 　　B： I don't think you have met David， a friend of mine. This is David. 　　A＆C： How do you do， David. Glad to see you. 　　D： How do you do. Glad to see you， too.