22. A. struggling B. improving C. working D. complaining
21. A. strange B. happy C. awful D. lonely
20. A. jumped B. sank C. stopped D. raced
19. A. editor B. boss C. candidate D. judge
18. A. difficult B. easy C. boring D. interesting
17. A. Therefore B. However C. Otherwise D. Besides
16. A. processes B. decision C. challenges D. exercises
26. A 27. B 28. D 29. B 30. A
21. C 22. D 23. D 24 .C 25. C