词汇测验:

1. negligent

2. affront

3. arbitration

4. licentious

5. acquiesce

6. obfuscate

7. relegate

8. discordant

9. preclude

10. discern

11. expiate

12. innocuous

13. buffet

14. wistful

15. balk

16. instigate

17. vestige

18. circumspect

19. efface

20. quandary

剩余时间： 200 秒