Ⅰ. 根据句意及首字母或汉语提示完成单词（10分）
1. I was very l_____ to get the book so cheap.
2. I think it is impolite to speak loud in p_____.
3. I was a_____ to watch TV on weekends.
4. I’ve heard a whisper that he has _____ (癌症).
5. The smell in the room is _____ (可怕的).
