You ______ smoke in here; smoking is not allowed.
don't have to
mustn't
must
have to
We ______ cook more; there's enough food.
don't have to
mustn't
must
have to
You ______ drive so fast; the police will catch you.
don't have to
must
mustn't
have to
I ______ be late. It's the most important meeting of the year.
mustn't
must
have to
don't have to
You _______ put salt in her food; the doctor said she can't eat salt.
don't have to
must
have to
mustn't
Visitors to the zoo _______ feed the dangerous animals.
don't have to
must
doesn't have to
musn't
You _____ apologise; it isn't necessary.
don't have to
have to
mustn't
must
You _______ go now; you can stay a bit longer.
have to
mustn't
must
don't have to
You _______ tell the mom what happened, or she will hit you.
must
mustn't
don't have to
have to
I ______ wear a tie; I do it because I like wearing ties.
has to
have to
don't have to
mustn't