Vocabulary Quiz:

1. investment

2. hopeful

3. be

4. accumulate

5. civic

6. vain

7. dealer

8. defend

9. toll

10. valuable

11. superb

12. contractor

13. air-conditioner

14. guideline

15. buyer

16. indoors

17. airport

18. diet

19. substantial

20. sufficient

Time left: 200 seconds