When a storm is coming, most people leave the area as quickly as possible and go to the safe place. But there are ________ people who will get into their cars and go straight to the center of the storm. “Storm chasing” ________ an very popular hobby in the Midwest of the United States. There are frequent storms ________ March to July. Storm chasers often drive up to ________ kilometers to where the storm will be. And then ________ wait for the storm to develop.

Although anyone can do it, storm chasing is dangerous. The power of a big storm can throw a horse into the air. Storm chasers often drive in a ________ rain. So they are ________ often hurt in accidents. If you are a beginner, it is much safer to join a group of storm-chasing vacations during the storm season.

“Sometimes it can take you hours ________ for something to happen, and all you get is blue sky and a little rain.” says Daniel Lynch, who spends most of his summer storm-chasing. However, for storm chasers, it is all worth it. “________ you get close to a storm, it is the most exciting sight you will ever see in your life,” says Jasper Morley. “Every storm is ________ example of the power of nature. It is the greatest show on Earth.”

Early every morning, a shepherd（牧羊人）took his sheep out into the fields. And then he sat down under a tree. While _______ his sheep eating fresh grass, he sometimes slept for a short time. After the sheep were _______, he took them back home.

One day, the shepherd saw a wolf _______. It was a little far away. At first, the shepherd thought the wolf wanted to catch his sleep, so he was very worried. But the wolf did _______. When the shepherd walked back home with his sheep, the wolf _______ followed them at a distance（距离）.

This continued for a few days. The shepherd found the wolf waiting near the _______ every morning, but it just watched and didn’t catch any sheep. Day by day, the shepherd _______ the wolf less and less.

One day, the shepherd had to go back home for a while. Because he looked on the wolf to a guardian（保镖）of his sheep, he _______ the sheep in the fields and went home alone. However, when he came back, he found there were _______ sheep everywhere! The wolf killed most of his sheep. The poor shepherd sat down and cried, “It’s my ________ !I shouldn’t believe in a wolf!”