You ____ be quiet in the library. People are studying.
must
need
mustn't
The river is very dangerous. You ______ swim in it.
needn't
don't have to
mustn't
It's a secret. You ______ tell anyone.
don't have to
mustn't
needn't
You ______ too many calories or you will get fat.
have to
should
shouldn't
The museum is free. You ______ pay for the entrance.
don't have to
should
must
We ______ do our homework every week.
should
has to
must
It's a sunny day. You _____ wear a hat.
mustn't
shouldn't
ought to
You _______ come to the party if you don't want to.
must
should
don't have to
mustn't
I _____ tidy my room. I cleaned it yesterday.
needn't
mustn't
shouldn't
Tim has a headache. He _______ play video games.
doesn't have to
needn't
shouldn't
don't have to
You look very tired. You ______ go to bed.
has to
mustn't
should
needn't
You ______ do your homework today. You can do it tomorrow.
needn't
have to
mustn't
has to
We ______ wear trainers for our PE class.
have to
has to
shouldn't
mustn't