词汇测验:

1. vestige

2. impeccable

3. boon

4. utilitarian

5. fortitude

6. undulate

7. libertarian

8. aggrieved

9. assuage

10. vigilant

11. daunting

12. diligent

13. despot

14. swarthy

15. prescient

16. elucidate

17. instigate

18. lucid

19. engender

20. compliment

剩余时间： 200 秒