文档介绍：((Richard and Marilyn have made a plan to see the Expo in Shanghai this week. Today, the weather is good. Richard and Marilyn get off the plane in Shanghai.)
Richard: The weather in Shanghai is good…sunny. There all kinds of flowers and green grasses, like a colorful carpet.
Marilyn: Yep. What a beautiful day. The chatter of birds in the trees, and doves are running around on the ground.
Richard: China’s environment is very good and the air is fresh.
Marilyn: yes, I think so.
Richard: Taxi! (Richard shouts, and they get in the taxi.) Last time we came to China was for the 2008 Olympics. It’s been almost two years.(间隔将近两年时间) China has changed greatly.
Marilyn: Yes! I can’t wait to get to the Expo. Oh, here we are! Let’s get out.
Richard: OK!
Marilyn: There are a lot of people and it looks great.
Richard: Look! There is our old friend, Yaoming. He also came, Let’s go and say hello.
Marilyn: OK, let’s go.
Richard :Hello, Yao!
Yaoming: (they hug)Nice to meet you ! You are so beautiful, how are you?
Marilyn: I am fine .Thank you.
Richard: When did e here?
Yaoming: I came here about three days ago with my wife.
Marilyn: Where is your wife now.
Yaoming: My wife has some temporary work first. When did e to Shanghai?
Richard: We just arrived and are not familiar with the situation yet.
Yaoming: No problem. Let us visit together.
Marilyn: Thank you so much.
Richa