一 、完形填空（本大题共1小题，共30分）
1.Farley worked for the Canadian government. One day, he was __1__ to learn more about wolves. Do wolves kill lots of caribou（北美驯鹿）? Do they kill people?
They gave him lots of food and clothes and guns. Then they put him on a plane and took him to __2__. The plane put him down and went away. There were no houses or people in this place. But there were lots of animals and lots of wolves.
People tell terrible stories about wolves. They say wolves like to kill and eat people. Farley remembered these stories, and he was __3__. He had his gun with him__4_.
Then one day, he saw a group of wolves. There was a mother wolf with four baby wolves. A father wolf and another young wolf lived with them.
