词汇测验:

1. beseech

2. stolid

3. protean

4. redoubtable

5. guile

6. bias

7. knell

8. seminal

9. frivolous

10. impervious

11. enigmatic

12. patent

13. disheartened

14. aesthetic

15. vicarious

16. sanguine

17. pallid

18. idiosyncratic

19. anathema

20. pittance

剩余时间： 200 秒