語彙クイズ:

1. ostentatious

2. impeccable

3. deter

4. egregious

5. vicissitude

6. impervious

7. mercurial

8. ballad

9. covert

10. moderate

11. curtail

12. implicit

13. nocturnal

14. ethereal

15. disgruntled

16. caustic

17. plethora

18. eloquent

19. refute

20. implacable

残り時間： 200 秒