Change these sentences into the passive. model: someone's interviewing dr jonhson at the moment. - dr jonhson is being interviewed at the moment. 1) they don't allow smoking at this restaurant. 2) you should pay your bill before you leave the hotel. 3) i have told the children about the party. 4) about thirty million people are watching this programme. 5) we expect students not to talk during the examination. 6) you mustn't touch this button while the experiment is in progress. 7) someone will blow a whistle if there's an emergency. 8) you should keep flowers in a warm sunny place. 9) someone has moved my chair. 10) the police are questioning mr and mrs davidson. 11) they invited two hundred people to the wedding.