Bonjour pour répondre à ton exercice il faut dire :

"They are not allowed to do literature, art and music"

ou

People must don't do literature, art and music.

Sinon si tu veux faire des réponses plus longues tu peux dire:

"They are not allowed to do literature"

"They can't do art"

"They are not allowed to do music"

ou

"People must don't do literature"

"They have to stop doing music"

"People must don't do art"

Voilà en espérant avoir aider passe une bonne soirée.