1. The main hall or main hall. Only hall is wrong.
2. The Director or Director of studies
3. The student(s. adviser/advisor 
4. 11:00 (am. or eleven o'clock (am.
5. placement test or English test
6. Library or L
7. Main Hall or MH
8. computer laboratory or CL
9. Staff room or SR
10. student common room or SCR
11. Overseas student(s'. fees or student(s'. tuition fees or tuition fees or fees. Without the fees it is wrong.
12. (the. domestic area or domestic 
13. essay (s'. deadline or deadline. Only essay (s. is wrong
14.social or social life
15. outings or trips
16. KOUACHI
17. 3269940
18. ten (am.  to four (pm. or 10am to 4pm or 10:00am to 4:00pm. They can use - instead of to.
19. an appointment or appointments or appointment
20. waiting list
21. B
22. C
23. A
24. C
25. selection or selection procedure
26. (the. military or army or (the. (ancient. chinese
27. (the. military or army or (the. (ancient. chinese
28. (almost. two thirds
29.experts. Must be plural
30. A
31. secondary
32. 14 or fourteen (year olds/old.
33. overlap or overlapping or over-lap or over-lap ping
34. underside or underneath or bottom
35. on paper or in two dimensions
36. 3/three dimensional or 3/three - dimensional or 3-D or 3D
37. white, grey/gray, brown. Must state all three and must not write any additional word.
38. C
39. D
40. A