I. Choose the words whose underlined part is pronounced differently from that of the others in each group 20. A. traditional B. essential C. audition D. picture 21. A. attract B. actor C. guitarist D. gallery 22. A. delicious B. special C. musical D. physician 23. A. answer B. further C. butter D. birth 24. A. burn B. collect C. alone D. neighbour 25. A. chimpanzee B. mechanic C. chemistry D. earache 26. A. of B. funny C. wife D. bookshelf 27. A. conquer B. cook C. centimeter D. key 28. A. pork B. support C. perform D. information 29. A. tuna B. tutor C. tofu D. unusual 30. A. purity B. burning C. cure D. durable 31. A. see B seen C. sportsman D. sure 32. A. pull B. sugar C. plural D. study 33. A. course B. court C. encourage D. cough 34. A. bark B. share C. dare D. bare 35. A. cotton B. bottle C. cold D. common 36. A. dear B. hear C. bear D. clear 37. A. bury B. curtain C. burn D. turn 38. A. folk B. work C. pork D. corn 39. A. shout B. sugar C. share D. surgery 40. A. about B. amount C. should D. ground 41. A. chain B. entertain C. bargain D. complain 42. A. saddle B. case C. chase D. basement 43. A. drummer B. future C. number D. umbrella 44. A. flame B. fame C. came D. manner 45. A. darkness B. warmth C. market D. remark 46. A. hunt B. pullover C. under D. funny 47. A. book B. floor C. hook D. cooker 48. A. figure B. bright C. fight D. sight 49. A. over B. rose C. cover D. chosen 50. A. baggage B. village C. manage D. stage