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Mark Twain was born in a small town of Horrid. When he is only twelve
                                                                                     1. was
years old , his father died . Late he became a river boat pilot .Mark Twain was her  
                                     2. later                                                                  3.  his
pen name .During the American Civil War he worked as a reporter and write a lot of
                                                                                                        4.  wrote
stories. Gradually he made his mark and his work were popular .He became one of the
                                                             5.  works
best known writer of the 19th century in the U.S.A .In his life Mark Twain wrote the
                6. writers                                                                                        7. a
number of stories and novels , of them "Adventure of Tom Sawyer" is the most
                                             8. which
famous one .His writings have∧ translated into many other languages ,and they 
                                           9.  been
are deeply loved by the readers all over in the world.
                                                      10. 去掉