One day while Mike and Sally were playing outside, they saw a man walking. He walked with a white stick (棍子). He couldn't1 . "How can he walk on such a busy street?" asked Mike. "It is very2 ," said Sally.
They watched as the man walked. He walked carefully to the traffic light and then3 . When the light turned green, he started walking again. "He's great," said Sally. "4 he's blind, he knows where to go and when to stop. "
As the man was passing by, he heard the children talking. He stopped in front of5 . "Hello, kids!" he said. "Are you talking6 me?"
"Yes, we wonder how you know where to go and when to stop. "
The man smiled, "I train myself to listen. My7 helps me know every sound when I am out of the house. I also use my stick to help me. When it hits something, I8 I need to stop and go around it. "
The man continued, "I know it's safer for me to stay inside than outside, but I love to walk. I love the hot sun, the smell of flowers and the singing birds. 9 , I love to get some exercise. "
Sally said, "Thank you. We have learned something today. You are a brave man who loves life. You are really a good10 for us. "
