I think that loving one's work, trying, "love", and infatuation motivate people make a new inventions.
1) I have been waiting for my client for 2 hours.
2) It has been raining since I came home.
3) You have been listening to music since 12:30.
Держи эту вазу аккуратно. Не урони её.
1. C
2. B
3. A
4. B
5. B
6. B
7. B
8. A
9. B
10. B
11. B
12. C
13. C
14. B (но вообще обычно business trip)
15. B
16. B
17. C
19. B
20. A
21. B
22. B
23. B
24. B
25. A
26. C
27. C
28. So does Rose