I. 1.Don’t walk on the grass.

2. Jenny is reading a book.

3. The Palace Museum is about six hundred years old.

4. We write a letter on paper.

5. The toy panda is thirty yuan.

II.1. Would you like some water?

2. How old is the Great Wall?

3. How much is the postcard?

4. Tomorrow you’ll go back to Canada. I’ll miss you.

5. Did you have fun in Beijing?

III.1. A: What are you doing, Li Ming?

B: I’m reading a book. What about you, Jenny?

A: I’m drawing a picture.

2.A: Let’s open the window.

B: OK. I see some chairs and tables. They are old.

3.A: Would you like some fruit, Li Ming?

B: No, thanks, Mum. I’m thirsty.

4.A: How do we go to the Great Wall?

B: It is far from our hotel. We need to take a bus.

5.A: What did you do yesterday?

B: We walked to Wangfujing Street. We shopped there.

IV. Tian'anmen Square is very big. There are many people here! A boy is flying a kite. Some old women are dancing. Where are Danny and Jenny? Look! They are drawing pictures. They are very happy!