阅读短文，根据短文内容回答下列问题。

    It's three o'clock in the afternoon. Some girls are in the park. Linda is flying a kite with her friend, Lucy. Mary is near a river. What's she doing? She is watching fish. They are swimming in the river. Amy is behind a tall tree. She is dancing. And what is Lily doing? She's drawing a picture. They are all very happy in the park.