They ______ run in the hallway.
shouldn't
You ______ say "thank you" when someone helps you.
should
The weather is terrible today. Why ____________?
Why don't you stay home?
You ______ talk with your mouth full.
shouldn't
We ______ eat too much fast food.
shouldn't
You ______ listen to your teacher.
should
They ______ fight with their classmates.
shouldn't
He ______ brush his teeth twice a day.
should
They ______ wear a helmet when riding a bike.
should
You ______ drink a lot of water every day.
should
We ______ run near the swimming pool.
shouldn't
They ______ turn off the lights when leaving a room.
should
It's cold outside. Why _____________?
Why don't you wear a scarf and a hat?
They ______ share their toys with friends.
should
Your friend is sad with you. Why _________?
Why don't you say sorry?
He ______ sleep too late before an exam.
shouldn't
