Situation: Li Li Ming lives in Shanghai. Last week his uncle came to visit him. Li Ming showed him around. He showed his uncle the great changes in Shanghai.
L: Welcome to Shanghai Uncle!
U.. Thanks. I haven't been here for 5 years.
L. Do you miss Shanghai?
U. Yes of course. Great changes have taken place in Shanghai since I left five years ago.
L. Sure look! There used to be dark and small houses here.But now there's a big park.
U: How beautiful it is!
L: Let's go to the park now.
U: That's a good idea. Where's the ticket office?
L: Oh tell you the truth. The park is free.
U: Really. That' s good !
L: In fact in Shanghai more and more parks are free of charge.
U: It' s quite good.