. 首字母填空：一 George Stephenson was an inventor. He was born in 1781. He was f_ an English workers family. Hia father was too p_ to send him to school. He began learning His ABC when he was seventeen. On his 18th b_ he could write his own name. George had to work when he was o_ a small child. He worked twelve hours every day. But he worked and studied very h_. Later, he invented many things. The locomotive was the g_ on
