Must or mustn't

I ________ go to see a doctor because I'm ill.

We __________ be rude to our parents.

Pupils _________ miss lessons of English.

Children _______ eat healthy food.

You ____________ make a mess in your house.

Children ________ visit their grandparents.

Children ________ play computer games all day.

Children __________ help about the house to their parents .

I __________ go to school on weekend.

We ________ cross the road at the traffic light.