語彙クイズ:

1. tenuous

2. fractious

3. retract

4. effrontery

5. refute

6. abet

7. perfidious

8. impassive

9. encumber

10. palliate

11. corrosive

12. semaphore

13. vacuous

14. depravity

15. condone

16. impregnable

17. congeal

18. prudence

19. emote

20. vicarious

残り時間： 200 秒