1. 阅读判断。

    Look！The children are having a birthday party for Linda. Sarah is singing and Tina is dancing with Mary. Li Ming is playing the piano，but the bell rings. So he stops and everyone waits. Linda opens the door. More friends come in. They buy a new schoolbag for Linda. Now they are singing "Happy Birthday！" to Linda together. They are very happy today.

1. （1） The children are having breakfast.
3. （2） Sarah is dancing with Mary.
5. （3） Li Ming is playing the violin，but the bell rings.
7. （4） Linda gets a new schoolbag as a birthday present.
9. （5） They are very happy today.