单项选择题
Today,the City of London is the business center of London where（）are located.
A.big supermarkets B.theatres and cinemas C.large financial organizations D.restaurants and cafes
单项选择题 （）started as a trading post of the Roman Empire about AD 43.
单项选择题 Headquarters of the European Union are in（）
单项选择题 Which of the following is not true of the European Union?（）
