You ___________ wear a uniform! It's the rule.
must
You _______ study if you want to pass the test, but do whatever you want to.
should
You ___________ bring the books if you don't want to. It's optional
don't have to
You ________ run here! It's very dangerous
mustn't
You _______ eat fruits and vegetables. That's my recommendation
should
You _______ clean this up! It's an order!
have to
You _______ use the cellphone here. It's a library.
mustn't
She ___________wake up early tomorrow because it is Sunday.
doesn't have to
I want to win the race. I _______________ train harder.
must
If you have a stomachache, you ___________ eat chocolate.
shouldn't
Mike_________ learn irregular verbs because he will take an exam on Monday.
has to
Sophie will go to Spain next year. I think she_________take a Spanish course.
should
You ________________show your passport at passport control.
have to
Jenna _____________ do her homework if she wants to get good grades.
must
You ___________ stay up until late. You will be tired tomorrow!
shouldn't
Danna _________ use his phone while driving.
mustn't
