在空白处填入适当的内容或括号内单词的适当形式，并把答案写在答题卡上。
Between about AD 450 and 1150, English was spoken in England andb______ more on German. Between about AD 800 and 1150, Danish and French______ (rich) the English language, especially its     .
(词汇). At the end of the 16th century, about five to seven million people spoke English. In the 17th century, as a result of the v______ English was used by more people. Later in the 18th century, English began to be spoken in Australia. By the 19th century, English was_____ (settle). Now, English is spoken in countries such as China, India, ______ (新加坡), Malaysia and South Africa as a foreign or second language. In a word, English has ______ (gradual) changed and developed over time and now is spoken all over the world.