1. excitedly
2. discouraged
3. B hearing
4. B worthless
5. Contrary to the fish's harmless appearance, it is quite dangerous
6. Is there any likelihood that Sally will be able to come to us for Christmas?
7. Many important information will be broadcasted on TV tonight about the resignation of the president → Much
8. Many teacher have devoted their lives to teaching although teaching is not a well-paiying job. → teachers
9. Some young people want to work like volunteers for several years after their graduation. → as
10. A is watching