Помогите пожалуйста!Буду благодарна!
1.You( must/mustn"t/can"t) eat in the classroom.Its not allowed!
2.Students (can"t/have to/don"t have to) take the rubbish out.The cleaners will do it.
3.You (mustn"t/ must/can"t) enter the building after 10 o"clock.The entrance is closed.