1you must /mustn't eat with your hands 2 you must /mustn't do your homework 3 you must /mustn't go to bed late 4 you must/mustn't help your mum что нужно вставить?

1)mustn't
2)must
3)mustn't
4)must

1. You mustn't eat with your hands
2 You must do your homework
3 You mustn't go to bed late
4 You must help your mum