must/mustn't
It will be easy to find their house because there is satnav and Google Maps. We ______________ worry.
don't have to
At school, we ____ wear uniforms. We can wear jeans and T-shirts.
don't have to
You ___ come to the meeting but it would help us all if you’re there.
don't have to
You ____ wear a swimming cap in the communal swimming pool.
have to
We __________ open the door before the train stops.
mustn't
She ____ wear snow boots when it snows, but her feet will probably get wet.
doesn't have to
I _____ forget your umbrella. It's going to rain.
mustn't
I _____ play on the road. There are a lot of cars.
mustn't
Juan _____ reads a lot of books if he wants a degree in English literature.
has to
You ____________ tell Niki about the party; I've already told her.
DON'T HAVE TO