No writer in American literature is more famous or more loved than Samuel Longhorn Clements. ___ (19) in Missouri in 1835, he grew up on the bank of the Mississippi river and later adopted the (20) Mark Twain. The village environment inspired the two novels (21) made him famous:"Tom Sawyer and Huckleberry Finn" and ":Life on the Mississippi", told of his adventures on the river (22) of that period. Mark Twain's life as a writer started during the Civil War. At that time he worked as a newspaper man in Nevada and California. His short story "The celebrated Jumping Frog of Calaveras County" was an immediate success and his new career began. 19. A. Was born B. Born C. Is born D. Be born giải thik kĩ jup mình nhé