根据句意及首字母提示补全单词。

1. Her aunt is p____________. They work in a police station.

2. He can speak English, he is from A____________.

3. — Can you d____________ a nurse's work?

    — Yes, I can. A nurse looks after the patients and helps the doctors.

4. How c____________ the girl is! She gives the right answers to all the difficult questions.

5. There are two l____________ in our school. The students often borrow (借) many books from them.