He has sore eyes. He _______ look at her phone at night.
mustn't
My sister is riding a bike. She ______ wear a helmet.
must
You ______ listen when your teacher is talking.
must
You ________ shout at your friend.
mustn't
You ____ leave the hotel room before 12 o’clock.
must
I want to speak English better. I ______ practice more.
must
You ____ make lots of noise in the museum.
mustn't
It's time to eat. You _____ wash your hands.
must
I _______ run at the swimming pool.
mustn't
My mum says you _____ always tell the truth.
must
I have a toothache. I _______ go to the dentist.
must
You know you ______ go to bed with your shoes on.
mustn't