I can't sleep because I have an exam. You __ worry so much.
shouldn't
You____use your flash inside the Museum, it's forbidden.
mustn't
What are you doing? You ___ be here!
mustn't
You ___ bring a racket tomorrow. We have one you can use.
needn't / don't need to
I ___ wear glasses, I can't see well.
need to
Leah ___ eat so many sweets.
shouldn't
We ___ talk to each other because we are doing an exam.
mustn't
You____drink that. It's poison.
mustn't
I think that you ___ tell her that you are sorry.
should
Mum: 'You___do my homework before goin out with you friends.'
must
You ___ tell anyone what I just told you. It's a secret.
mustn't
We ____take our food to school. We went to the canteen.
don't have to / needn't
You ___ take any money. It isn't necessary.
don't need to / needn't
We ___ go for a drink one day.
should
All children____fasten their seatbelts when travelling by car.
must
I think you_____wear that dress. It doesn't suit you.
shouldn't