Each of us makes mistakes（犯错） from time to time. In fact, we can 1 a lot from our mistakes.
Donnie was a 2 student and never answered questions in class. He was 3 to make mistakes. He never finished his homework 4 he didn't want to make any mistakes. It was changed 5 Marry Anne, a teacher, came to our 6 .
One morning, Marry Anne asked Donnie to 7 some questions. After a while Donnie was in tears because he made a mistake. Suddenly Marry Anne got a box full of 8 from the desk.
"Look, Donnie," she said, standing 9 him. "I've got something to show you." She took out (掏出) the erasers, one at a time, and put 10 on the desk. "See these erasers, Donnie?" she continued. "Do you know 11 the erasers become smaller and smaller? That's because we make mistakes. But we erase the mistakes and try 12. That's what you must learn." "Here," she said, "I'll 13 one eraser on your desk, so you will remember that 14 may make mistakes." Donnie looked at Marry Anne and smiled.
Donnie 15 a lot from then on. He began to finish his homework on time. He knew that everyone had the permission(允许) to make mistakes as long as you learned them and tried again.
