You_____study hard before the exam
must
They________pay a big fine
must
She____________wake up early at the weekend
doesn't have to
My father_______get up early during the week
has to
You_______listen to loud music in public
shouldn't
Pilots_______wear a uniform
Have to\must
We________come to school at the weekend
don't have to
We_________wear a uniform at school
Have to\must
Drivers_______use their mobile phones when they're driving
mustn't
You______eat food that smells bad
shouldn't
You_______travel without a ticket
mustn't