7.
must/mustn't, should/shouldn't
5 Complete the sentences with must, mustn't,
should or shouldn't and the verb.
1 It's a good idea to get up early
You should get up early.
2 It isn't OK to talk in the library.
You
quiet in the library
3 It is against the rules to eat sandwiches in the
classroom
We
sandwiches in the classroom.
4 It isn't a good idea to talk and eat at the same
time.
You
at the same time.
5 You can't use your mobile during a test.
You
your mobile during a test.
Total: 4
builde