Look at the form below. You will hear three men introducing each other before dinner. Mr. Black comes from (5)______ The purp

(W: Wang      Q: Qian       B: Black)
W: Please allow me to introduce you to Mr. Qian, President of our corporation. This is Mr. Black, our American friend.
Q: How do you do, Mr. Qian.
B: How do your do, Mr. Black.
Q: I’m very glad you can come.
B: It’s very kind of you to have invited me. I really do not deserve your kindness.
Q: We appreciate your close cooperation in the recent transaction and the trade between our two countries.
B: It’s the result of our joint efforts. The purpose of my mission is to promote trade between our two countries.
Q: Please sit down and have a cigarette.
B: Excellent cigarette !
Q: I’m glad you like it. You are a veteran smoker, I guess.
B: Aha! (coughing)... I used to be. They say I smoked like a chimney, but now I’m trying to cut down.
Q: As a heavy smoker, it’s no easy matter to give up smoking. I tried several times and several times. I failed. (laughing)
B: There’s no harm having one cigarette or two once in a while, but heavy smoking is certainly bad for health.
W: Now, dinner is ready. To the table, please.
Q: Yes, please.
B: Please.