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There was once an honest boy in a mountain village. He liked books very much, but his family was too poor      (buy) him any books. In a village far away, there was a rich man. He had a library and there were all     (kind)of books there. This man liked making friends with honest children.When he learned this, the boy went a long way to ask the rich man to lend him some books. The man said to the boy, “you can borrow any books if only you keep them     （clean） and return them in time.”For many years the boy always finished        (read )the books in time and was      (never)late in returning them.In this way the boy read many books and after he grew up,he became a great man.