You ____________ smoke here. It´s forbidden.
mustn't / can't
We have casual Friday at the office so we ________ wear smart clothes on that day.
don't have to
Mark __________ be rude to the boss or he will lose his job!
mustn't / can't
You __________ wear a suit and tie at the office, it´s mandatory.
must / have to
Don't worry! You __________ tell me your secret, I don't need to know.
don't have to
He _________ speak loudly at the cinema.
mustn't / can't
You _________ hang your coat on the door.
can
She ____________ finish her work today. She can finish it next week.
doesn't have to
Dad says I ____________ go play until I clean my room.
can't
She ___________ wear a dress, she can wear a suit if she wants.
doesn't have to
I don't work on Saturday so I ___________ go to your party!
can
You _________ do this job without proper training.
can't
You ________ stop when the light turns red.
must / have to
I __________ leave until I finish my work.
can't
People __________ drive on the right in Spain.
must / have to
You __________ tell anyone my secret. I don't want anyone to know.
mustn't / can't
You ____________ spill liquid on electronic devices.
mustn't/ can't
He _____________ get to work by 9am.
must / has to
________ you meet me for a coffee this afternoon?
can
Children ____________ be careful on the internet.
must / have to