Fill in collective nouns for these groups: 1. A of ships. 2. A of geese. 3. A of wolves. 4. A of penguins. 5. A of lions. 6. A of grapes. 7. A of flowers. 8. A of students. 9. A of singers. 10. A of hens.

Here are the collective nouns for each group:

1. A fleet of ships.
2. A gaggle of geese.
3. A pack of wolves.
4. A colony of penguins.
5. A pride of lions.
6. A bunch of grapes.
7. A bouquet of flowers.
8. A class of students.
9. A choir of singers.
10. A brood of hens.