Education

5. an unpleasant situation that continues for a long time without stopping
10. great care and thoroughness in making sure that something is correct
11. determination and courage
13. accomplishment
14. able to read, well-educated
17. become involved in an argument, fight or other difficult situation in order to change what happens
18. to damage something very badly
19. the responsibility for something
20. very advanced

1. not involving anything or anyone else
2. move around quickly in a twisting circular movement
3. behaviour that obeys the accepted rules of a society or a group
4. payment for something, especially a service
6. continue to do something, although this is difficult, or other people oppose it
7. very difficult and tiring
8. easily influenced or changed by other people
9. something that is present but hidden
12. including every possible detail
15. not close to each other
16. to move someone or something to a more important level or rank, to make them better than before