1. C /s/ # /ʃ/

2. B /id/ # /t/

3. B 2 #1

4. C 3#2

5. affected

6. time-consuming

7.precautions

8. making friends

have difficulty in Ving

9. for

10. therefore

11. dissolve

12. sewage

13. Would you mind if I smoked

14. Really He's kind-hearted

15. Keep away from fire

16. Cover your mouth with thick facemask

17. F

18. T

19. T

20. F

21. Passover

22. is an imaginary rabbit

23. lenght

24. any

25. totally

26. who

27. fact

28. amazing

VII

29. studying

30. rebuilt : xây dựng lại 

31. considerate : ân cần 

32. enables : cho phép

33. confused : rối lên

34. simplicity : sự đơn giản

35. The ao dai is the traditional dress of Vietnamese women

36. Maryam was impressed by the beauty of the city

37. on well with her colleagues

38. you two hours to do that work, doesn't it

39. of interest, the meeting was cancelled

40. an expensive car that I couldn't buy it