3.
　　A: Good morning.
　　A: Good afternoon!
　　B: Good afternoon, sir! May I have your name, please?
　　A: This is my first name here. I am Zhang Li from Tian Fa Foreign Trade Corporation.
　　B: Is there anything I can help you with?
　　A: I would like to see your general manager to introduce our new products.
　　我要见你们的总经理，介绍我们的新产品
　　B: I’m sorry, unfortunately, the general manager is tied up with something urgent. He has not yet returned.
　　A: Excuse me, when do you think he will be back.
　　B:I am afraid he won’t be back until 3 o’clock.