`46.` It has been ten years since I last heard this song

`->` It has been + khoảng thời gian + since + S + last + Vqk: đã bao lâu kể từ lần cuối bạn làm gì

`47.` On business trips, I prefer driving home to staying in a hotel overnight

`->` prefer V_ing to V_ing: thích làm gì hơn làm gì

`48.` The manager didn't succeed in persuading Karren to take the job

`->` succeed in: thành công trong việc làm gì

`49.` We had a local mechanic repair our car

`->` have sb do sth: nhờ ai đó làm gì

`50.` I regretted not having done more to help her

`->` regret + (not) + V_ing: tiếc đã không làm gì trong QK

CHÚC BẠN HỌC TỐT!

Cho mk xin ctlhn nha! Thanks nhìu!

=>
46. It has been ten years since I last heard this song. (It's/It has been + time since S (last) V2/ed)
47. On busniess trips, I would prefer to drive home rather than stay in a hotel overnight. (would prefer to V rather than V : thích gì hơn gif)
48. The manager didn't succeed in persuading Karen to take the job. (succeed in Ving : thành công...)
49. We had a local mechanic repair our car. ( had sb V)
50. I regretted not having done more to help her. (regret (not) Ving : hối hận vì (không)...)