8.D had

9.B should work

10. C has been built ( recently : chia htht)

11. B to buy (promise to do sth:  hứa làm điều gì)

12. B turn down the gas ( vặn nhỏ lửa)

13. D where

14. D ( had known : had + v3/ed: if 3)

15. C because 

16. D (marry to sb: kết hôn vs ai)

17. B

18. C

34. the film was so boring that i fell asleep.

35. she wondered what i was doing.

36. I am used to getting up early in the morning.

37. She never stops complaining about public transport.

38. The bus service in our city is getting more and more inefficient every year.

39. Why don't we watch a film tonight?

40. We went on a holiday in Italy last year. 

ℂ𝕙𝕠 𝕞𝕚̀𝕟𝕙 𝕩𝕚𝕟 𝟝* + 𝕔𝕒̉𝕞 𝕠̛𝕟 + 𝕔𝕒̂𝕦 𝕥𝕣𝕒̉ 𝕝𝕠̛̀𝕚 𝕙𝕒𝕪 𝕟𝕙𝕒̂́𝕥 𝕟𝕙𝕒 >~<

~ 𝓒𝓱𝓲𝓵𝓵 𝔀𝓲𝓽𝓱 𝓶𝓮 ~