1. D /ə/ # /əu/

2. C /ə/ # /ei/

3. B 2#1

4. A 1#2

5. Thanks. it's nice of you to say so

6. followed

If S V(QKD), S would Vnt

7. Yes, you need

8. does he

9. fridge

10. child

11. shines 

12. was given

S was/were VPII by O

13. suits

14. results

15. C Roundabout ahead : vòng xuyến phía trước

16. A You aren't allowed smoking

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17. F

18. F

19. F

20. T

21. everyday

22. all are correct

VI

23. serious : nghiêm trọng 

24. to

25. for

26. answer

27. recycled

28. save

29. inefficient : kém năng suất

30. economically : một cách tiết kiệm

31. productions : các sản phẩm

32. necessities 

33. unpolluted

34. lives

35. They have to go to school though it is raining

36. This park has changed a lot since I last came here in 2000

IX

37. to take more exercise

38. biggest problem is pronunciation

39. a meeting organized by Green Peace at the Town Hall next Tuesday

40. describe people better than I can