1. 根据所给例子，将下列句子改写为对话。

例：I don't have a soccer ball．

→ —Do you have a soccer ball?

—No, I don't

1. （1） We have two basketballs．

   →

    

3. （2） Helen doesn't have an eraser

   →

    

5. （3） He has a blue jacket．

   →

    

7. （4） They have four dictionaries．

   →