33. It took one hour and a half to fly to HCM city

34. It is 20 years since T and M moved to Paris

35. They invited him to go to the stadium the next day

36. They had better quit smoking

37. Despite living in the city, he always walks to work

38. If he practied speaking French, he would speak it fluently

33.It took one hour and a half to fly to Ho Chi Minh City.

34.It is 20 years since Tom and Mary moved to Paris.(S+Ved/V2+time ago=It is time+since +S+Ved/V2)

35.They invited him to go to the stadium the next day.(câu tường thuật)

36.They had better quit smoking.(should=had better)

37.Despite living in the city,my uncle always walks to work.(Although+mệnh đề,...=Despite+N/Ving,...)

38.If he practiced speaking English,he could speak it fluently.(điều kiện loại 2)