Look at the pictures. There is cage beside the house. There is a bird in the cage.

Under the cage, there is a cat. And a dog is behind the cat.

    The cat wants to eat the bird. It's jumping. The cage is falling(掉下来). The bird is flying out of the cage. The cat is chasing the bird and the dog is chasing (追) the cat.

    The bird is at the top of the tree. The cat is in it. The dog is under it.

    Then the bird is flying. The cat is falling. The dog is running.

    An old man visits a new doctor. He is very young.

    "I don't feel well, doctor," he says. "Please find out what's wrong with me."

    "Take off your clothes and lie on the bed," the young doctor says, "I'll examine", you. The old man takes off his clothes and lies down on the bed, and the young doctor examines him. However, he can't find anything wrong with the old man. He listens to his heart. He looks into his throat. He examines every part of him.

    At last he says, "I'm sorry, but I can't find anything wrong with you. You're as healthy as I am. "

    "That's very strange," the old man says, "because I feel really bad."

    "Come back tomorrow and see me again if you don't feel better," the young doctor says. "I'11 examine you again."

    "All right, doctor," the old man says.

    Slowly, he stands up and put on his clothes. Then he walks out of the hospital.

    A few seconds later, the doctor's nurse runs in.

    "Doctor! Doctor!" she cries. "That man has died outside the door."

    The doctor thinks quickly.

    "Then turn the body around so that people will think he is coming in." he says.

—She's under the tree.

—Twenty yuan.