根据句意，用括号中所给单词的适当形式填空。
1. Feng Xiaogang is one of the most famous ________ (direct) in China.
2. Some students prefer chatting with their friends on the Internet to ________ (do)
their homework at weekends.
3. It is my job ________ (introduce) the film stars from Taiwan on the show.
4. The weather today becomes even ________ (bad). Why not take a raincoat with you?
5. I hear that the result of the exam ________ (announce) next week.
6. If someone doesn't show good manners to others, he or she is ________ (polite).
7. How ________ (quick) Betty answered the teacher's question!
8. Hangzhou Bay (湾) Bridge ________ (be) in service for more than a month.