在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，词首字母已给出 。 Abraham Lincoln, the 16th president of America, was born in a poor family. (1)A______ a little kid, he did a lot of housework every day. And sometimes he had to (2)h______ his parents on the farm. But when he was free, he enjoyed reading books very much. One day, he (3)b______ a book from his neighbor. He loved the book so much that he kept reading it until 12 o'clock at night. When he went to sleep, he put the book in the gap (裂缝) of the wall. It rained heavily that night. When little Lincoln woke up the next morning, he found that the book was all (4)w______. Lincoln carried the book to the owner. He felt very (5)s______ and nervous. 'What's wrong with my book? It can't be read (6)a______!' the neighbor said. He asked Lincoln to pay for a new book. Little Lincoln had no money, and he didn't want to ask his parents for money to pay his neighbor. 'Let me work for you to pay for a new book, please!' Lincoln asked. He cut grass in the neighbor's garden for three days to pay for the book. It doesn't matter if you make a (7)m______, but you should be responsible (负责的) for it.