单项选择题
Which of the following tribes came to Britain first?（）
A.The Angles. B.The Saxons. C.The Gaels. D.The Jutes.
单项选择题 The Romans remained in control of Britain for nearly 400 years and they pulled out in（）.
单项选择题 Christianity was first brought to England by the（）.
单项选择题 Roman control was only effective in（）.
