Exercise: Choose the word with the main stress placed differently from that of the others in each group. 1. A. mysterious B. generous C. extensive D. pollution 2. A. exchange B. purpose C. casual D. fashion 3. A. efficiency B. environment C. communicate D. reputation 4. A. encourage B. pagoda C. material D. grocery 5. A. provide B. prevent C. cover D. receive 6. A. national B. engineer C. figure D. scientist 7. A. social B. electric C. contain D. important 8. A. money B. annual C. metal D. design 9. A. convenient B. dependent C. deposit D. different 10. A. provide B. combine C. service D. account 11. A follow B. apology C. experienced D. direct 12. A. adulthood B. January C. maximum D. appropriate 13. A. sociologist B. developmental C. contemporary D. contributing 14. A. appliances B. scenario C. interviewer D. responsible 15. A. interpret B. suspicious C. etiquettes D. dishonest 16. A. formality B. acquaintance C. regarded D. ircumstance 17. A. surprised B. secure C. contact D. suggest 18. A. associate B. superior C. equivalent D. European 19. A. disrespectful B. untrustworthy C. astonishment D. acceptable 20. A. disciple B. depending C. influence D. discover 21. A. collaborate B. university C. curriculum D. development 22. A. institution B. destination C. qualification D. sociology 23. A. employee B. successful C. volunteer D. linguistics 24. A. particular B. representative C. international D. diplomatic 25. A. qualified B. deposit C. submitted D. semester 26. A. appropriate B. authorities C. academic D. admission 27. A. junior B. acceptance C. applicant D. excellent 28. A. examination B. international C. documentary D. institution 29. A. success B. records C. admit D. result 30. A. appointment B. ambition C. applicant D. diploma 31. A. vacancy B. interview C. manager D. employer 32. A. accountancy B. enthusiasm C. certificate D. profitable 33. A. academic B. inaccurate C. managerial D. unexpected 34. A. asset B. council C. project D. advance 35. A. account B. retail C. outing D. venue 36. A. agenda B. dynamics C. manager D. deposit 37. A. subsequent B. immature C. practical D. personal 38. A. community B. entrepreneur C. activity D. academy 39. A. rhetoric B. dynamic C. climatic D. phonetic 40. A. medieval B. malarial C. mediocre D. magnificent 41. A. domestic B. dormitory C. dogmatic D. deliberate 42. A. redundant B. acquainted C. reluctant D. microscopic 43. A. desert B. dessert C. centre D. circle 44. A. government B. expansion C. excitement D. fixation 45. A. environment B. petroleum C. criterion D. temperature 46. A. brushwood B. sandstorm C. effect D. farmland 47. A. animal B. mosquito C. banana D. Sahara 48. A. endangered B. destruction C. deforestation D. extinction 49. A. environment B. conservation C. endangerment D. existence 50. A. vulnerable B. appropriate C. commercial D. inaccurate