5 Choose an expression from the box to complete the
sentences.
.
mustn't
can't
must
don't have to
are allowed to
1 This is a very elegant restaurant. You
wear jeans here.
2 I love the summer holidays because I ....
study!
3 We....
watch TV until 8 p.m. Then it's
bedtime.
study hard if you want to pass
4 You....
your exams.
5 You....
use your mobile at school.
5​