We ________ eat junk food regularly.
mustn't
You _________ feed the lions at the zoo.
mustn't
We _________ drink lots of water.
must
We ___________litter.
mustn't
We _________ exercise regularly.
must
We _________ be respectful
must
You _________ use your cell phone all day.
mustn't
She __________ pick up the trash
must
You ________ eat healthy foods.
must
She _________pay attention in class.
must
He __________ talk in the library.
mustn't
He __________ run down the stairs.
mustn't
You _________ pick flowers in the park.
mustn't
You _______chew gum in class.
mustn't
We __________ play with matches.
mustn't
She _______ do her homework.
must