1. 选择下面正确的疑问词填空，把序号写在横线上。

A. What  B. What about  C. Who  D. How  E. What colour

1. （1） — is the jacket?

   —It's blue.

3. （2） — is he?

   —He's my father.

5. （3） — is this?

   —It's a CD.

7. （4） — a cake?

   —No, thank you.

9. （5） — are you?

   —Fine, thank you.