四、听录音，补全句子或对话。（5分）

1. How many            dogs?

2. Sam: Where’s the book?

  Lingling: It’s        your bag.

3. Lingling: How old are you?

  Sam: I’m          .

4. Ms Smart: Is this your sister?

  Sam: No. it’s       !

5. Ms Smart: Here’s your cake, Sam!

  Sam:                   !