A few months ago, millions of people in London heard alarms all over the town. The Emergency services, the Fire Departments, the Police, hospitals, (1)________________________, ready to go into action. In railway underground stations, people read notices and maps which told them where to go and what to do in the emergency.
(2)________________________, to prepare people for a flood emergency. London wasn’t flooded yet, but it is possible that it would be. In 1236 and in 1663, London was badly flooded. In 1928, people living in Westminster, the heart of London, (3)____________________. And in 1953, one hundred people, living on the eastern edge of the London suburbs were killed, again, in the floods.