You __________look left and right before you cross the road.
must / should
You __________ run in the corridor. It’s dangerous.
shouldn't / mustn´t
You __________ be rude to people. It’s impolite.
mustn´t
You __________ walk on the wet floor. You can fall!
shouldn´t
We __________ be late for school. We’ll get in trouble.
mustn't
You __________ respect your teacher at all times.
should
You __________ respect your classmates. It’s polite.
should
You __________ wait for the man to turn green before crossing the road.
should / must
We __________ follow the rules in the classroom.
must / should
You __________ put litter in the bin. Don’t drop it on the ground.
should
