单项选择题
The Romans remained in control of Britain for nearly 400 years and they pulled out in（）.
A.306 AD B.410 AD C.446 AD D.1066 AD
单项选择题 Christianity was first brought to England by the（）.
单项选择题 Roman control was only effective in（）.
单项选择题 The first known settlers of Britain were the（）
