Ex.A:Listen to some sentences and fill in the blanks with the missing words. 1.Ralph Nader is a man of few possessions. 2.He is paying back to America his debt as a citizen. 目 3.He said new laws were needed to make cars safer. 4.A law was passed to ensure that products like sausages and hamburgers contained the right amount of meat. 5.Ralph Nader has set a wonderful example of what determined men and women can do to improve the quality of life in their country.  Ex. A: Listen to some sentences and fill in the blanks with the missing words.  1. Ralph Nader is a man of few possessions.  2. He is paying back to America his debt as a citizen.  3. He said new laws were needed to make cars safer.  4. A law was passed to ensure that products like sausages and hamburgers contained the right amount of meat.  5. Ralph Nader has set a wonderful example of what determined men and women can do to improve the quality of life in their country