（Lingling is preparing for her trip to LA.）
Lingling: Hi, Betty. I’m making a list of things for my trip. I like to get things ready earlier. Can you help me?
Betty: Sure. How can I help?
Lingling: Well, it sounds crazy, but I don’t know what to take.
Betty: You should take notebooks, pens and a dictionary.
Lingling: OK. What clothes should I take to LA?
Betty: When are you leaving and how long are you going to stay there?
Lingling: I’m leaving at the end of July and I’m going to stay there for four weeks.
Betty: Shorts are good, or you can wear light trousers. It’ll be sunny and hot there.
Lingling: I haven’t got any sunglasses. I’ll buy a pair there.
Betty: That’s a good idea. But remember, Many things are more expensive in America. Have you got any American dollars?
Lingling: Yes. Is 200 dollars enough?
Betty: If you’ve already paid for the air tickets and for homestay, it should be OK.
Lingling: What else?
Betty: Your bag mustn’t weigh too much. You’d better ask the travel company about the total weight for all your bags. Oh, by the way, don’t forget to take your passport.
Lingling: OK. Thank you.
Betty: You’re welcome. You’ll have a great time. Please write to me and send me some photos!
Lingling: Yes, I will!