单项选择题
The Blitz radically changed the face of London for the first time since（）nearly 3 centuries earlier.
A.the Black Death
B.the Great Fire
C.the Civil War
D.the Great Plague
单项选择题 After World War I political unrest in Britain led to（）general elections in just over 5 years.
单项选择题 As a result of the First World War settlement the（）was established in 1920.
单项选择题 The spark of the First World War was struck at Sarajevo on June 28,（）,when the Austrian Crown Prince Franz Ferdinand was assassinated by a Serbian nationalist.