I+II/ 1. D 2. C 3.B 4. B 5. D
III/ 6. B 7. C 8. D 9. C 10. A 11. C 12. A 13. C 14. D 15. B
IV/ 16. technology 17. efficiency 18. applications 19. aspects 20. software
V/ 21. don’t know - do they 22. will be - won’t you 23. hasn’t got - has she
24. wasn’t - was he 25. doesn’t like - does he
VI/ 26. C 27. B 28. B 29. A 30. D 31. B 32. A 33. D 34. A 35. C
VII/ 36. D 37. A 38. B 39. C 40. D
VIII/ 41. E 42. C 43. F 44. A 45. D
IX/ 46. E 47. C 48. F 49. D 50. A