1. 用which, who或whom完成句子。

1. （1） Someone comes from Anhui is waiting for you outside.

3. （2） When I got home, Mum and Dad were talking about the house they had bought in the countryside.

5. （3） — Do you know the man is standing under the apple tree?

   — Yes, of course. He's a friend of mine.
   

7. （4） This is the room in my grandma was born.

9. （5） Is that the girl you talked to just now?