Modal verb. Should/Shouldn't

He ... hurry to school. It's 8.25!!!

It's 10.30 and you're going to school tomorrow: you ... bed right now.

Your room is really messy, you ... it immediately.

This boy is too fat, he eats all the time; he ... eat between meals.

You always go to school on an empty stomach.You ... leave without having breakfast.

My grandfather smokes a lot; he ... smoke at all, it's bad for his health.

Your mother is always doing the housework alone.You ... sometimes help her.

Chips and hamburgers every day! That's very bad for your shape: you ... stop eating them!

He spends his time watching TV; he ... get some exercise.

He is often rude at school , he ... be more polite towards his teachers and schoolmates.

You ... eat too much fast food. It's unhealthy.

They ... be more attentive.