Choose the correct words.
1 Children must /
should go to
primary school.
2 If you want to become a doctor, you
must / should study harder.
3 Students mustn't / shouldn't eat
in class.
4 We mustn't / shouldn't go out.
It's raining
5 You must / should be over eighteen
to vote.
6 You're cold. You must / should wear
a coat.
