词汇测验:

1. exonerate

2. mutable

3. manifest

4. criteria

5. exacerbate

6. expunge

7. veracity

8. refurbish

9. cultivate

10. convoluted

11. aisle

12. engender

13. innocuous

14. arbitrary

15. upbraid

16. facile

17. impudent

18. tantamount

19. combustion

20. innovate

剩余时间： 200 秒