1 Complete the sentences with the words in the box.
should try mustn't telt shouldn't stay up
must finish should
get mustn't be
1 You mustn't tell people your password when
you surf the Internet.
2 Anna ... to concentrate more in lessons.
3 We... this school project before Friday
4 When you chat online you ... unkind to friends
5 Theyso late doing their homework
6 How many hours' sleep people in your
opinion?
