No writer in American literature is (41) or more loved than Samuel Longhorn Clements. (42) in Missouri in 1835, he grew (43) on the bank of the Mississippi river and later adopted the (44) Mark Twain. The (45) environment inspired the two novels (46) made him famous.: "Tom Sawyer and Huckleberry Finn" ":Life on the Mississippi", told of his adventures on the river (47) of that period. Mark Twain's life as a writer started during the Civil War. At that time he (48) as a newspaper man in Nevada and California. (49) short story "The celebrated Jumping Frog of Calaveras County" was an immediate (50) and his new career began. 41. A. more fame B. famous C. more famous D. fame 42. A. was born B. born C. is born D. be born 43. A. up B. of C. to D. with 44. A. pen name B. surname C. name D. real name 45. A. village B. city C. river D. town 46. A. where B. who C. whose D. which 47. A. ships B. trains C. boats D. planes 48. A. works B. worked C. is working D .was working 49. A. one's B. their C. his D. our 50. A. success B. successful C. succeed D. succeeding