六 阅读对话，回答问题。
Zip's mum: Hello.
Zoom: Hi. This is Zoom.
Zip's mum: Oh! How are you, Zoom?
Zoom: I'm fine, thank you. What are you doing, aunt?
Zip's mum: I'm cooking dinner. And you?
Zoom: I'm reading a storybook. What is Zip doing?
Zip's mum: He's doing his homework.
Zoom: Can I speak to him?
Zip's mum: Sure. Hold on, please. Zip, there is a call for you. It's Zoom.
Zip: Hi! Zoom.
Zoom: Hi! I have a storybook. It's funny. Come and read it with me.
Zip: Great. But I have to finish my home- work first.
Zoom: OK. I can wait for you. Bye.
Zip: Bye!
1. What's Zip doing?

2. What's Zip's mum doing?

3. What's Zoom doing?

1. He is doing his homework.
2. She is cooking dinner .
3. He is reading a storybook .