1. 选词完成句子

what    where    how    whose    when     who

1. （1） — are you?

   — I'm fine, thank you.

3. （2） — is the dog?

   — It's under the chair.

5. （3） — skirt is this?

   — It's Sarah's.

7. （4） — is your birthday?

   — It's in June.

9. （5） — do you do on the weekend?

   — I often watch TV.

11. （6） — has a blue pen?

    — John.