Vocabulary Quiz:

1. plenitude

2. ascribe

3. effrontery

4. mollify

5. ingenious

6. onerous

7. reprehensible

8. contrite

9. amenity

10. phlegmatic

11. inveterate

12. catalyze

13. austere

14. heinous

15. ostentatious

16. restive

17. combustion

18. increment

19. temerity

20. conundrum

Time left: 200 seconds