1. They were d ___________ (下决心) to reach the top of the mountain.
2. He was a_____________ in the book, so he didn’t hear the doorbell.
3. He finished his work in a____________(积极的) way.
4. He became______________(狂热的) about classical music.
5. Don't ____________(暴露) your skin to the sun or you will be burned.
6. If a doctor or a medical treatment c_____ someone's illness, they make the people well again.
7. The common interests u__________ the two countries.
8. The class ____________of (组成) 56 members.
9. Some parents considered that some of their children's friends to be a bad _______ (影响) to their children.
10. There are plans to c_________ a new road bridge across the river to ease the traffic problems in this area.