Domande

esercizio 14 - capitolo workbook 12 - this is life

you mustn't smoke in no-smoking areas.
in football, the team has to obey the referee.
i really mustn't listen to bad advice any more.
the italian law says you have to go to school from the age of 6.
there's a lift in the building, so we don't have to climb the stairs.
you don't have to practise every day, three days a week are enough.
i don't want anyone to know about our plan. you mustn't tell any friends of yours.
don't make so much noise. we mustn't wake the children.