37. -> More young people choose self-guided tours because they require them to do everything on their own.

38. ->  I wanted to know how many hours she worked last week.

39. -> She bought the car that her mother had recommended.

40. -> What’s the name of the man whose car you borrowed?

Này xắp xếp -> More young people choose self-guided tours because they require them to do everything on their own.

38. -> I wanted to know how many hours she worked last week.

39. -> She bought the car that her mother had recommended.

40. -> What’s the name of the man whose car you borrowed?