短文填词 根据文章意思和首字母提示写出所缺单词，每空一词（满分10分，每小题1分）。
George Stephenson is my f    inventor. He was b   in 1781. He was f    a poor English worker's family. His father was too poor to s      him to school. He began l    his ABC when he was seventeen. On his 18th birthday he could write his o     name.
George had to work when he was o     a small child. He worked twelve h   every day. But he worked and studied very h    . As he studied hard, he invented many things. The locomotive（火车头）was the g     one among them.