Stuck on a Contest Puzzle? Learn How to Join!

1. Participates in a competition
2. Submits an application to enter a contest
3. Becomes a contestant
4. Throws one’s hat in the ring
5. Registers for a competition
6. Joins an event to compete
7. Takes part in a tournament
8. Signs up for a contest
9. Puts forth one’s name for a competition
10. Enters a challenge.