giuppp em plssssssss

`6`. I don't know how much money will he need.

`->` S + do/does + not + know + sth: không biết cái gì

`7`. It's not good for your health to smoke and drink wine.

`->` It's (not) + good (for O) + to-V: (không) tốt cho ai khi làm gì

`8`. They have known each other for ten years.

`->` HTHT: S + have/has + V-pII + for + time

`9`. Most of them love playing football after class.

`->` S + love + V-ing: yêu thích làm gì

`10`. Ask him when did he have to finish his work.

`->` Ask sb sth: hỏi ai cái gì