I+II. 1. B 2. D 3. C 4. D 5. A
III. 6. B 7. D 8. A 9. A 10. C 11. D 12. C 13. A 14. B 15. B
IV. 16. subscription 17. set 18. progress 19. features 20. functions
V. 21. How long have you been learning French?
22. How long have you been waiting for me?
23. How many fish have you caught?
24. How many people have you invited (to your birthday party)?
25. How long have you been writing books?
VI. 26. A 27. D 28. B 29. B 30. C 31. B 32. A 33. D 34. C 35. C
VII. 36. D 37. B 38. B 39. C 40. D
VIII. 41. B 42. F 43. D 44. E 45. C
IX. 46. Language is an important part of our lives, and it is much more than just a means of communication.
47. Many people don’t realize that there are plenty of words that cannot be translated from one language to another simply because they don’t exist in another language.
48. The style of language depends on the speaker’s status and identity.
49. If you want to learn Japanese, it will be impossible to do so without learning about their culture.
50. Language is changing along with the culture with new grammar rules and new vocabulary.