It is a fine Sunday morning. There're many Young Pioneers in the park. They are having a good time . Some are playing games under a tree. Some are singing and dancing near the river. Some are running up the hill. Others are boating on the river. Where's Li Lei? He's sitting on a chair by the river. What is he doing? He's reading. Where are Lucy and Lily? They're on the meadow .What are they doing? They are running after a butterfly .They want to catch  it. Who are in the park?  _
Some students and teachers. Many old people. Some young women. Many Young Pioneers.