11. You musn't talk.
12. She must dance with him.
13. He musn't jump on this box.
14. You musn't surf on the sea.
15. She must play tennis in this club.
16. He musn't sail with his friends.
17. She musn't go camp ( mik nghĩ comp phải là camp).
18. You must sing on this competition.
19. I musn't sleep when i am studying.
Cấu trúc: S+ must/ mustn't+ V ( nguyên mẫu)
Bn hok tốt!!
Vote 5* và hay nhất cho mik nhé!!