P35 5-3 3. Listen and number. 听一听，给下列图片标序号。

1. G: Can I have some cake, please?

    B: OK. Here you are.

2. B: Have some juice.

    G: Thank you.

3. B: Mum, can I have some bread, please?

    Mum: Sure. Here you are.

4. B: I’d like some milk, please.

    G: Here you are.