You are going to return on Sunday night

5. Why do some people believe that we should protect endangered languages?

4. What does the underlined （dominant） in Paragraph 4 mean? 占支配地位的，占优势的

3. How many people speak English in the world?

2. Which is not the reason why some languages are in danger?

1. How many languages will die out according to some experts?

5. What cannot we know from the article? 推断

4. What did the police do to Ms Hicks?

3. What happened according to Dorothy Sánchez?

2. What is the relationship between Johnny Hedges and Ms Hicks?

1. Why was Ms Hicks arrested?