填空题

Thirty years ago, when I was a small child, my father arranged for me to (11) two summer vacations at a farm in South Dakota. He thought it would be (12) for me, and he was right. It taught me a great deal about the (13) of independence. The people who lived there were practically self-sufficient. They (14) sheep for wool, wove it into cloth, and built their cabins from wood. The place was so isolated that the owner’s daughter, who must have been in her (15) twenties, said that she had never been away from home or seen a train. Thirty years ago, when I was a small child, my father arranged for me to (11) two summer vacations at a farm in South Dakota. He thought it would be (12) for me, and he was right. It taught me a great deal about the (13) of independence. The people who lived there were practically self-sufficient. They (14) sheep for wool, wove it into cloth, and built their cabins from wood. The place was so isolated that the owner’s daughter, who must have been in her (15) twenties, said that she had never been away from home or seen a train.