We _____________ (brush) our teeth three times a day.
must brush
You ____________ (play) soccer inside your house.
mustn't play
Mark ______________ (drive) if he is tired.
mustn't drive
You ___________ (take) a shower every day.
must take
Students ___________ (fight) with their classmates.
mustn't fight
People __________ (wear) a helmet while riding a bike.
must wear
You ________ (do) the homework before the class starts.
must do
People __________ (smoke) at the hospital.
mustn't smoke
You _________ (have) a ticket to watch a movie in the cinema.
must have
You ___________ (take) photos in the museum.
mustn't take
