Have to, must

At school, we ___ wear a white shirt and blue paints.

I don't spend a lot of time on my bedroom.

In Viet Nam, we _____ wear a helmet when you drive on the street.

You ___ take of your shoes if they are clean.

I ___ leave early today because of the doctor's appoinment.

Students ___ turn off their mobiles during the lesson or the teacher will take them away.

Do you get lots of tourists here in the summer?

In most Arab countries, you ___ eat with your left hand. You should use your right hand.

You ___ bring the towel . There are some towels at swimming pool

In Britain, we ___ drive on the left.

We ___ waste any more time.

You ____ step on the grass in the park.