Vocabulary Quiz:

1. valve

2. predominate

3. arduous

4. rival

5. influenza

6. continental

7. screw

8. credential

9. pupil

10. sanction

11. corrode

12. sack

13. leisure

14. divergence

15. snug

16. ornamental

17. mysterious

18. perfect

19. negate

20. persistent

Time left: 200 seconds