1)we don't have to__
2)we can't stay__
3)pupils mustn't
4)you should get__
5)pupils can leave__
6)you shouldn't copy
a)chew gum during lessons.
b)do homework every day at my school.
c)a note from the doctor when you're ill.
d)other pupils' work.
e)in the classroom during the break.
f)when the bell goes.