SORU: paragrafta boş bırakılan yere uygun düşen cümleyi bulunuz
During the Second World War, the London tube became an air-raid shelter. Heavy raids began on 7 September 1940, Of course, there was mass panic as people rushed to find shelter, eventually finding the tube stations ideal refugee. …………….. . Soon, all seventy-nine deep tube stations were officially designed as air-raid shelters, and by the end of the following mouth, an average of 138.000 people sheltered in the system.