1. 读一读，判一判。

    It's playing now. The kids are playing in the playground. Some are playing football in a match. Some are playing catch. The boys are running and the girls are catching. They are very happy together.

1. （1） The kids are playing in a park.
3. （2） Some kids are playing football.
5. （3） Some kids are playing catch.
7. （4） The boys are catching.