填空题

Jack London was famous American Writer. He (76)
was born in January 12^th,1876. His family was very poor, 　　　　　 (77)
and he had to leave school in order make (78)
money. He worked hard in many different job. Later, (79)
Jack returned back to school, but he didn’t stay. He (80)
wrote ," Life and pocketbooks was too short." In (81)
1897, he went to Alaska (阿拉斯加)hunt for gold. Instead, (82)
he found ideas there for his books and stories. He (83)
returned home but started to write. His writings were (84)
very good, and he became rich and famous in his twenty. (85)