You _______ look both ways when crossing the street.
must
You _____ park your car in front of the hospital.
must not
You _____ brush your teeth after every meal.
should
You ___________ wear a seat belt in a car.
must
You ___ touch any paintings in a museum.
must not
You ______ smoke in an airplane.
must not
You _____ do your homework.
must
You ______ swim in that river. It's full of crocodiles
should not
You _____ come to school on time.
must
You ______ eat ice cream every day.
should not
You _____ drink 8 cups of water every day.
should
You _____ eat more slowly.
should
You ____ use computers before bed.
shouldn't
You _______ sleep more.
should
You ____ wear a mask when you go to the grocery store.
must
You ______ shout in the library.
must not