You _______ play football inside the house
mustn't
You ______ clean your room
must
You ______ brush your teeth every day
must
You ______ eat all your daily meals
must
You ______ scream at your pet
mustn't
You ______ do your homework
must
You ______ feed your pet
must
You ______ pay attention to the teacher
must
You ______ watch TV too late at night
mustn't
You ______ shout in the library
mustn't
You ______ eat unhealthy food too often
mustn't
You ______ be quiet during the movie
must
You ______ throw the paper on the floor
mustn't
You ______ play videogames during online classes
mustn't