語彙クイズ:

1. arbitration

2. caustic

3. manifest

4. mandate

5. plethora

6. insatiable

7. anonymous

8. mundane

9. ascetic

10. negligent

11. hackneyed

12. dither

13. sacrosanct

14. judicious

15. infamy

16. alleviate

17. acumen

18. complacency

19. covert

20. insurgent

残り時間： 200 秒