A：You must be really excited about leaving for London tomorrow, Judy!
B: Yeah.   
A: Nervous about what?
B:I don’t know many of the customs and manners in UK.     
A: Sure.
B: 
A: Well, it’s important to be on time when you’re invited for dinner. It’s impolite to arrive late.
British expect their guests to be on time.
B: Then how long may I stay there?
A:   Or you seem to have come only for the meal. When your friends seem to be getting sleepy and running out of things ,it’s time to leave. The next day, call or write a thank-you note to say how much you enjoyed the evening.

A．After the meal, don’t leave at once. B．Could you please give me a hard? C．What rules do they have in Britain? D．But I’m a bit nervous.

 
B
B: Bob                  D: Doctor
D: Come and sit down, Bob.   
B: I have a terrible pain in my stomach, doctor.
D: I see. When did it start?
B:     I didn’t want to eat anything. I’m not feeling well now.
D: Let me see, er, you have a fever.
B: I’ve got a headache, too. And my throat hurts.
D: Well, you’ve caught a bad cold.
B:
D: No, not very serious. But you must stay in bed for 2 or 3 days and take the Chinese medicine.
B: 
D: Three times a day after meals.
B: Thank you.

A．What’s the problem? B．How often should I take it? C．Is it serious? D．It started yesterday.