二、听录音，选择正确答案。

1. A: Who is taller, the tiger or the giraffe?

   B: The giraffe.

2. A: Whose room is bigger, your room or your sister’s?

   B: Mine.

3. G: Tim, are you older than Mary?

   B: I don’t know. How old is she?

   G: She is 12. And you?

   B: I am 11.

4. A: Is the monkey younger than the bear?

   B: No. The monkey is three years old. But the bear is two years old.