It is four o'clock in the afternoon. The students are in the classroom. What are they doing? Bobo is reading a picture book with John. Coco is sweeping the floor. Lucy is cleaning the blackboard. Cathy is doing her homework. Emma is helping her. Miss Zhang is their teacher. She is in the classroom too. What is she doing? She is talking with Jack.

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    “Early to bed, early to rise（起身）makes people healthy, wealthy and wise（健康，富有，聪明）.” This is an old English saying. Children should have ten hours' sleep every night, or they can't do their work very well. They will not be wise. The body needs exercise. Walking, running, swimming and playing ball games are all exercise. Exercise keeps the body strong.

A: Oh, it's a nice photo.

B: Yes, I took it at Century Park.

A: Century Park? Really?

B: It's very interesting.

A: Who is she?

B: She's my sister, Mary.

A: Where is she?

B: She's on the swing. She's happy.

A: Who's this boy?

B: He's my cousin, Peter.

A: Where is he?

B: He's in the plant house.

A: How about this boy?

B: Oh, I don't know. But he can play football very well.

A: Is this a fountain?

B: Yes, it's a small fountain. There are three fountains there. And three ponds.

A: Are they birds?

B: Yes, they are in the aviary.

A: Can you feed them?

B: No, we can't feed them.

    Do you like to go to the library? We usually go to the library at weekends. There are many books and computers in it. We can read books or study on the computers. In the library, we can see some signs on the walls. We should stand in line when we go into the library. We can't eat or drink there. We can't talk loudly. We can't spit. We can't smoke. We can borrow books. But we must return books on time.