Mark the letter A, B, c or D to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions. 21. A. abundant B. nuclear C. truck D. dump 22...

I'll help you with the answers. Here are the responses: 21. A. abundant (əˈbəndənt) - The other three options (nuclear, truck, dump) have a distinct /ʊ/ or /uː/ sound, while "abundant" has a schwa sound (ə). 22. A. turn (tərn) - The other three options (put, burn, fur) have a distinct /ʊ/ or /uː/ sound, while "turn" has a schwa sound (ə). 23. A. played (pleɪd) - The other three options (frightened, excited, bored) have a distinct stress pattern or vowel sound, while "played" has a different vowel sound (/eɪ/). 24. A. washed (wɑʃt) - The other three options (attended, decided, disappointed) have a distinct stress pattern or vowel sound, while "washed" has a different vowel sound (/ɑ/). 25. A. question (kˈwɛʃən) - The other three options (education, collection, celebration) have a distinct stress pattern, while "question" has a different stress pattern. 26. A. they (ðeɪ) - The other three options (those, Thanksgiving, than) have a distinct vowel sound or stress pattern, while "they" has a different vowel sound (/eɪ/). 27. A. pays (peɪz) - The other three options (plays, looks, stays) have a distinct vowel sound or consonant sound, while "pays" has a different vowel sound (/eɪ/). 28. A. helped (hɛlpt) - The other three options (passed, looked, wanted) have a distinct vowel sound or stress pattern, while "helped" has a different vowel sound (/ɛ/). 29. A. high (haɪ) - The other three options (find, mind, his) have a distinct vowel sound or diphthong, while "high" has a different vowel sound (/aɪ/). 30. A. plan (plæn) - The other three options (take, fake, facebook) have a distinct vowel sound or diphthong, while "plan" has a different vowel sound (/æ/). 31. A. loved (ləvd) - The other three options (ended, cleaned, bored) have a distinct vowel sound or stress pattern, while "loved" has a different vowel sound (/ə/). 32. A. way (weɪ) - The other three options (station, pavement, traffic) have a distinct stress pattern or vowel sound, while "way" has a different vowel sound (/eɪ/). 33. A. enter (ˈɛnər) - The other three options (seatbelt, obey, present) have a distinct stress pattern or vowel sound, while "enter" has a different vowel sound (/ɛ/). 34. A. watch (wɔʧ) - The other three options (chairs, character, choose) have a distinct vowel sound or consonant sound, while "watch" has a different vowel sound (/ɔ/). 35. A. hand (hænd) - The other three options (transport, character, celebration) have a distinct stress pattern or vowel sound, while "hand" has a different vowel sound (/ænd/). 36. Same as question 23. 37. Same as question 24. 38. Same as question 25. 39. A. guess (gɛs) - The other three options (teenager, together, regular) have a distinct stress pattern or vowel sound, while "guess" has a different vowel sound (/ɛ/). 40. A. needed (ˈnidɪd) - The other three options (knocked, found, wanted) have a distinct stress pattern or vowel sound, while "needed" has a different vowel sound (/i/). Let me know if you have any further questions! 41. Analyze: 'harvest' stressed at first syllable 'parade' stressed at second syllable 'music' stressed at first syllable 'pumpkin' stressed at first syllable Therefore, 'parade' has a different stress position to other words. Answer: B 42. Analyze: 'offer' stressed at first syllable 'prefer' stressed at second syllable 'abroad' stressed at second syllable 'arrive' stressed at second syllable Therefore, 'offer' has a different stress position to other words. Answer: A 43. Analyze: 'favourite' stressed at first syllable 'pollution' stressed at second syllable 'imagine' stressed at second syllable 'exhausted' stressed at second syllable Therefore, 'favourite' has a different stress position to other words. Answer: A 44. Analyze: 'energy' stressed at first syllable 'plentiful' stressed at first syllable 'disappear' stressed at third syllable 'celebrate' stressed at first syllable Therefore, 'disappear' has a different stress position to other words. Answer: C 45. Analyze: 'dangerous' stressed at first syllable 'important' stressed at second syllable 'enormous' stressed at second syllable 'convenient' stressed at second syllable Therefore, 'dangerous' has a different stress position to other words. Answer: A 46. Analyze: 'avoid' stressed at second syllable 'exist' stressed at second syllable 'support' stressed at second syllable 'notice' stressed at first syllable Therefore, 'notice' has a different stress position to other words. Answer: D 47. Analyze: 'spacious' stressed at first syllable 'hungry' stressed at first syllable 'disease' stressed at second syllable 'danger' stressed at first syllable Therefore, 'disease' has a different stress position to other words. Answer: C 48. Analyze: 'available' stressed at second syllable 'environment' stressed at second syllable 'electrical' stressed at second syllable 'volunteer' stressed at third syllable Therefore, 'volunteer' has a different stress position to other words. Answer: D 49. Analyze: 'appearance' stressed at second syllable 'pollution' stressed at second syllable 'personal' stressed at first syllable 'opinion' stressed at second syllable Therefore, 'personal' has a different stress position to other words. Answer: C 50. Analyze: 'wonderland' stressed at first syllable 'favorite' stressed at first syllable 'driverless' stressed at first syllable 'expensive' stressed at second syllable Therefore, 'expensive' has a different stress position to other words. Answer: D 51. Analyze: 'harvest' stressed at first syllable 'parade' stressed at second syllable 'music' stressed at first syllable 'pumpkin' stressed at first syllable Therefore, 'parade' has a different stress position to other words. Answer: B 52. Analyze: 'offer' stressed at first syllable 'prefer' stressed at second syllable 'abroad' stressed at second syllable 'arrive' stressed at second syllable Therefore, 'offer' has a different stress position to other words. Answer: A 53. Analyze: 'famous' stressed at first syllable 'joyful' stressed at first syllable 'usual' stressed at first syllable 'alone' stressed at second syllable Therefore, 'alone' has a different stress position to other words. Answer: D 54. Analyze: 'manner' stressed at first syllable 'tourist' stressed at first syllable 'machine' stressed at second syllable 'action' stressed at first syllable Therefore, 'machine' has a different stress position to other words. Answer: C 55. Analyze: 'window' stressed at first syllable 'tourist' stressed at first syllable 'story' stressed at first syllable 'Japan' stressed at second syllable Therefore, 'Japan' has a different stress position to other words. Answer: D 56. Analyze: 'performance' stressed at second syllable 'festival' stressed at first syllable 'celebrate' stressed at first syllable 'seasonal' stressed at first syllable Therefore, 'performance' has a different stress position to other words. Answer: A 57. Analyze: 'enough' stressed at second syllable 'affect' stressed at second syllable 'narrow' stressed at first syllable 'require' stressed at second syllable Therefore, 'narrow' has a different stress position to other words. Answer: C 58. Analyze: 'recycle' stressed at second syllable 'description' stressed at second syllable 'contribute' stressed at second syllable 'atmosphere' stressed at first syllable Therefore, 'atmosphere' has a different stress position to other words. Answer: D 59. Analyze: 'prefer' stressed at second syllable 'finish' stressed at first syllable 'complete' stressed at second syllable 'begin' stressed at second syllable Therefore, 'finish' has a different stress position to other words. Answer: B 60. Analyze: 'homeless' stressed at first syllable 'violence' stressed at first syllable 'skyscraper' stressed at first syllable 'describe' stressed at second syllable Therefore, 'describe' has a different stress position to other words. Answer: D