1. 选择正确的单词填空。

policeman    farmer    vet    dancer    singer    teacher

1. （1） He works on a farm. He is a .
3. （2） He teaches students in the class. He is a  .
5. （3） She can dance well. She is a .
7. （4） He can catch thieves(小偷). He is a  .
9. （5） She loves animals and she can cure them. She is a.
11. （6） He is good at singing. He is a.