1. value, worth, cost, price辨析

2. choose, select, pick, elect辨析

3. jewelry, jewel辨析

4. be able to, can辨析

5. by, with, in辨析

6. celebrate, congratulate辨析

7. worth, worthy, worthwhile辨析

8. try to do sth, try to do sth, manage to do sth辨析

9. especially, specially辨析

10. find, find out, look for辨析

11. see sb. doing sth, see sb. do sth辨析

12. agree with, agree to, agree on辨析

13. argue, debate, quarrel辨析

14. at the moment, for a moment, for the moment, in a moment, the moment辨析

15. 关系代词as与which的用法区别

16. occur, happen, take place辨析