Complete the sentences with mustn't or don't/ doesn't
have to.
1 He's a brilliant student - he .......
work hard to
get good marks.
2 You can stay up late, but you......
make a lot
of noise and wake up your sister.
3 We .....
forget the name of our hotel.
4 She always pays by credit card so that she ......
carry a lot of money with her.
5 You ......
_ tell Jack about the party - it's a
secret!
6 The bus leaves at 9 a.m. exactly, so you .....
be late.
7 We ......
wear a uniform to school, but we ........
wear jeans or trainers.​