Em tham khảo nhé, chúc em học tốt
1. He ought to stop wasting money on lottery
2. You must finish your homework before going to bed
3. You don't have to bring food and drink for lunch
4. You must not go fishing in this park
5. Every receptionist in our hotel have to wear a uniform
6. Shops must not sell cigarettes to children
7. Waiters don't have to wear a tie
8. He ought not to drink too much alcohol
9. Every employee have to keep the company's information secret
10. I ought to study E to get a good job