2 Choose the correct word.
1 You don't have to/mustn't practise every day.
2 They don't have to/mustn't chat to strangers on
the Internet.
3. We don't have to/mustn't sing that song - we
can choose a different one.
4 Do you have to/Must you tidy your room at the
weekends?​

gudroonnp010ou    1   21.05.2020 08:11    4