词汇测验:

1. explore

2. competitor

3. program

4. emergency

5. immediate

6. spring

7. payment

8. ambitious

9. attract

10. coal

11. better

12. wool

13. live

14. organizer

15. influence

16. celebration

17. discount

18. close

19. aged

20. similarly

剩余时间： 200 秒