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 so