Vocabulary Quiz:

1. authentic

2. optimize

3. dominant

4. resonate

5. brilliant

6. inherent

7. particular

8. yeast

9. reflect

10. groundbreaking

11. threshold

12. sustained

13. nutritious food

14. high-tech

15. haunt

16. hereditary

17. sympathy

18. courage

19. gadget

20. infertile

Time left: 200 seconds