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The history of British rules starts from the Celts (1) ... setted in the South of England around 900 B. C. Later there were the (2) ... of the Romans, the Anglo-Saxons, the Vikings and the Normans. British Royal history has seen several dynasties since 1154: the Plantagenets, the Lancastrians, the Yorkists, the Tudors, the Stuart, the Hanoverians, Saxe-Coburg Gotha, the Windsort (nowadays).
(3) ... present the British royal family is headed by Queen Elizabeth II. She was born in 1926 and became Queen in 1952. Although The Queen was born on 21 April, it has long been the tradition to celebrate ber official birthday by the ceremony of Trooping the Colour on in June, when good weather is more likely.
1) A - which B - whom C - who D - what
2) A - introduction B - implantations C - implementation D - invasions
3) A - in B - at C - from D - around