题型：完形填空 题类：模拟题 难易度：困难
河南省郑州地区2020届九年级英语中考招生第二次模拟试卷
Gail and her dog, Sam, are standing at the street corner. They're waiting for the cars to go by. They want to go 1 the street. She is waiting for Sam to decide when they should cross.
Some blind people use special, trained(受过训练的)dogs to help them tell when and where they would go. But not every dog can do 2. A dog for the blind must be clever. The dog must be 3 at a special school. He is taught to walk close to the trainer's legs. He is taught to walk 4 his trainer does.
The
blind person goes to the school too 
He practices with the dog. He holds the leather belt(皮带)around the dog's neck tightly(紧紧地). In this way he feels the dog's movements and knows when and where to 5.
At the street corner Sam doesn't watch the 6. It's not because he's careless. It's just because dogs can't 7 red lights from green ones. He is trained to watch the cars, and tell when the time is for him and Gail to cross.
Sam is 8 to Gail. He does her seeing for her. He keeps her 9 danger. But Sam is not only Gail's 10. He's her best friend, too.
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