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