词汇测验:

1. upbraid

2. frugal

3. egregious

4. fathom

5. plethora

6. decorous

7. evince

8. impertinent

9. tirade

10. tremulous

11. colossus

12. novice

13. maelstrom

14. precocious

15. beseech

16. bias

17. infusion

18. anxiety

19. empirical

20. submissive

剩余时间： 200 秒