Must and mustn't Complete the sentences. Use must or
mustn't.
It's a big secret. You mustn't tell our
parents.
7 Your dog can't come in this shop. It
wait in the street.
2 He's got a bad tooth. He
visit the dentist.
3 Quiet! We
make a noise.
4 My mum said I
go into town
on my own. I should always be with an
adult.
