题目内容：

English has changed and 1._____(develop) when cultures met ang 2._______with each other.From AD 450 to 1150 new 3._________(settle) to England enriched the English language ang enlarged its 4._________.In 1620,some British settlers moved to America. Later in the 18th century some British people were taken to Australia too,and English was spoken in both countries.By the 19th,American English spelling was given a separate 5.______ when Noah Webster wrote his dictionary.At 6.________,more people speak English as their first,second or a 7.______ language than ever before.People in South Asia such 8._____India speak 9._______English.China may have the 10._______(large) number of English learner.