根据课文内容填词：（共10小题，每小题0.5分，满分5分）
So why has English changed over time?    all languages change and develop when cultures meet and      with each other. At first the English spoken in England between about AD 450 and 1150 was very different from the English   today. It was based more on German than the English we speak at present. Then   between about AD 800 and 1150, English became     like German because those who ruled England spoke first    and later French. These new settlers    the English language and especially its    . So by the 1600's Shakespeare was able to make use of a wider vocabulary than ever before. In 1620 some British     moved to America. Later in the 18th century some British people were taken to     too. English began to be spoken in both countries.