There is a new park near my house. It's in the south of the city. It's a fine day today. My parents and I are in the park now. In the park, there is a big lake. There are many flowers and trees near the lake. There's a small hill behind the lake. Near the lake, there is a sign. It says "Don't swim in the lake!" The park is so beautiful. We like it very much.

W: What are you , Tom?

M: I'm a letter to my parents in the US.

W: Do you them?

M: .

W: It's twelve o'clock now. Let's go to a for lunch.

M: OK. Let's go!