根据下列各句句意，结合空白之后的汉语提示写出对应的单词的正确形式，每空只写一词。
1. The reporter decided to write a report about the people ____(沉溺于)to drugs.
2. Without international____(合作),developing countries cannot prosper.
3. My feelings at the moment are beyond____(描述).
4. As we all know, Latin is a____(古典) language.
5.____(固定)English programs are broadcast on CCTV, Channel 4 every day.
6. I read one of the early____(版本)of the book in 1999.
7. It is said that Kelly Chan's concert tickets have not been___ (可得到的)at the box office.
8. He has a gift for arts and___(欣赏)oil paintings most.
9. The customs of the U. S. A are___(相似)to those of Britain in some way.
10. Many____(志愿者)were sent to the earthquake stricken area to join in the rescue work.