根据2011年人教版高一英语课时典中点第二单元自主预习案(必修1)完成下面问题 1. Which country may have the largest number of English  learners? A. Britain. B. America. C. China. D. Australia. 2. Which of the following is Not true? A. Languages are changing gradually over time. B. Between AD 450 and 800,English was like German. C. In the 19th century,English was the official languageof India. D. Before the 18th century, English was only spoken in England. 3. The last sentence'Only time will tell.'in the text probably means that_______. A. English may develop its own identity in China B. Chinese people may help change English a great deal C. there may be more and more English learners in China D. there may be a completely new language in China 4. Why do more people speak English than ever before? A. Because it is an international language. B. Because it has the largest number of speakers. C. Because it is easy to learn. D. Because it always stays the same. 5. What's the main idea of the passage? A. China has the largest number of English learners. B. Languages always change. C. English is easy to learn. D. The development of modern English.