1. 3000/3,000/three thousand words
2. surprise/surprising ending
3. 16/sixteen
4. August
5. COMP4SS/comp4ss
6. Post
7. famous authors
8. Online
9. Public
10. Spain
11. world of water/World of Water
12. (the) splash ride
13. (at) noon/midday/12 o'clock/12 pm
14. feed (the) sharks
15. birthday party
16. (the) government
17. (the/a) quiz
18. E
19. C
20. B
21. D
22. B
23. mathematics/math(s)
24. theory/theoretical
25. jet engines
26. seminars
27. A
28. B
29. C
30. C
31. supportive
32. pay attention
33. next steps
34. consistent
35. graphics
36. tone
37. silence/silences
38. weak verbs
39. repeat it
40. predicting