1) Visitors can’t / have to / don’t have to clean their rooms at a hotel. The cleaners do it.
2) You can’t / must / mustn’t get permission to invite friends in your room.
3) The students needn’t / mustn’t / have to drive on campus. It’s forbidden.
4) I’m afraid you can / can’t / needn’t go out now. It’s too late.
5) He has to / can’t / mustn’t do homework every day.