用括号内所给的正确形式填空。 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.