Answer:
1. A team of players.
2. A library of books.
3. A jury of judges.
4. An orchard of fruit trees.
5. A band of musicians.
6. A crowd of people.
7. A range of mountains.
8. A bundle of sticks.
9. A bunch of keys.
10. A pair of shoes.
11. A swarm of bees.
12. A shoal of fish.