The three great Germanic tribes: the Anglos, the () and the Jutes, which invaded Britain, form the basis of the modern British people.

单项选择题Which of the following tribes first came to Britain().

A. Anglos.
B. Saxons.
C. Jutes.
D. Celts.

单项选择题In history, Romans occupied Britain for about()years.

A. 700
B. 600
C. 500
D. 400