5．
阅读理解。Jim: Hi, Bob!
Bob: Hello, Jim! What are you doing now?
Jim: I am writing an email on the computer. What about you?
Bob: I am writing a postcard. I want to send it to Steven. He is in Canada now.
Jim: May I see your postcard?
Bob: Sure! Here you are.
Jim: It is very beautiful. It has a picture of the Great Wall on it.
Bob: Steven likes the Great Wall very much.
Jim: Oh, I want to buy a postcard for my friend Betty. She likes the Palace Museum. How much is your postcard?
Bob: It is three yuan. Let's go to the shop to buy some postcards. After we write them, we can send them at the post office.
Jim: Okay. Let's go!
