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

n history, to【B1】wise by reading great books. When he first came from Europe【B2】the state of North Dakota, be worked in a mill all day【B3】studied all evening. Then he met Lena Wesselius and【B4】her at the age of eighteen. After that there was a farm to pay for, and there were children to【B5】. For many years Axelbrod had no time to study.

Finally he had a farm【B6】was free from debt, with good soil and plenty of animals. But【B7】then he was sixty-three years old and ready(it seemed) to die. His wife was【B8】. His sons had grown【B9】and gone away. His work was done. He was【B10】and alone.

Axelhrod's daughter and【B11】begged him to live with them, but he【B12】. "No," he said, "You must learn to be【B13】. You will come and live here【B14】my farm, and【B15】will pay me four hundred dollars a year【B16】the use of it,【B17】I will not live here with you. I will watch you from my hill."

He built himself a small house on the hill,【B18】he cooked his【B19】, made his bed, and read many books from the public library. He began to feel that he was【B20】free than ever before in his life.

【B1】

A．be

B．grow

C．become

D．turn