用括号内所给单词的正确形式填空。
1. Seeing is ____ (believe).
2. I'm sorry to have kept you ____ (wait) so long.
3. I heard Mr. Smith ____ (sing) in the next door.
4. I felt someone ____ (pat) on the shoulder.
5. The little girl is ____ (whisper) something in her granny's ear.
6. My hobby is ____ (collect) stamps.
7. The film is so ____ (interest) that they are all interested in it.
8. Your ____ (smoke) too much will do harm to your health.
9. When he came in, we all stopped ____ (talk).
10. This is her father's ____ (walk) stick.