1. collecting
2. records
3. West
4. transport
5. art
6. hospital
7. garden
8. quiz
9. tickets
10. poster
11. B
12. C
13. C
14. B
15. D
16. C
17. G
18. A
19. E
20. F
21. D & E (IN EITHER ORDER)
22. D & E (IN EITHER ORDER)
23. D
24. C
25. A
26. E
27. F
28. B
29. C
30. C
31. 321,000
32. vocabulary
33. podcast
34. smartphones
35. bilingual
36. playground
37. picture
38. grammar
39. identity
40. fluent