根据课文填空：Before the middle of the 5th century, people in Britain all spoke a language called

根据课文填空：
Before the middle of the 5th century, people in Britain all spoke a language called Celtic．Then three Germanic  　 34　  from the 　 35　  mainland ---the Angles, the Saxons and the Jutes---- invaded Britain．They each had their own language and Anglo-Saxon developed from_mixing these languages with Celtic．At the end of 9th century, the Vikings,people from Scandinavian countries,　 36　 Damark and Norway began to invade Britain．They 　 37　 with them their languages,which also mixed with Anglo-Saxon．The language they　 38　 is what we now call Old English．