根据对话内容，在空白处填写一个适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整。
A: Hello! May I speak to Tom?
B: Yes, speaking. 1 ？
A: This is Li Ping. I'm calling you up to ask for some help.
B: What's up?
A: My American friend. Ann, invited me to dinner this evening. I don't know what to do. 2 ？
B: Sure! In the USA, people go to dinner neither too late nor too early. You are supposed to arrive
there 3 .
A: I see. What do you Think I should bring with me?
B: You don't need to take anything. If you like, you can take some flowers.
A: Is it proper to take some roses?
B: Of course. That's pretty good.
A: I'm not 4 using a knife and fork. I'm afraid to be laughed at.
B: 5 . They can understand you because you're foreigners. By the way, it's impolite to make
noise when you're eating. Especially you talk with food in yourmonth.
A: Thank you. I've learned a lot from you.
