In his youth, Knute Axelbrod wanted to learn many languages, to know everything about huma

n history , to【C1】______wise by reading great books. When he first came from Europe【C2】______the state of North Dakota, he worked in a mill all day【C3】______studied all evening. Then he met Lena Wesselius and【C4】______her at the age of eighteen. After that there was a farm to pay for, and there were children to【C5】______. For many years Axelbrod had no time to study. : !.

Finally he had a farm【C6】______was free from debt, with good soil and plenty of animals. But【C7】______then he was sixty-three years old and ready(it seemed)to die. His wife was【C8】______. His sons had grown【C9】______and gone away. His work was done. He was【C10】______and alone.

Axelbrod's daughter and【C11】______begged him to live with them, but he【C12】______. "No," he said, "You must learn to be【C13】______. You will come and live here【C14】______my farm, and【C15】______will pay me four hundred dollars a year【C16】______the use of it,【C17】______I will not live here with you. I will watch you from my hill. "

He built himself a small house on the hill, 【C18】______he cooked his【C19】______, made his bed, and read many books from the public library. He began to feel that he was【C20】______free than ever before in his life.

【C1】

A．be

B．grow

C．become

D．turn