阅读短文,掌握其大意,然后从每小题所给的四个选项中选出一个最佳答案。
Each of us makes mistakes (犯错) from time to time. In fact, we can 1 a lot from our mistakes.
Donnie was a2student and he never answered questions in class. He was afraid3making mistakes. He never finished his homework 4 he didn't want to make any mistakes. Nothing changed (改变) 5 Mary, a teacher, came to our class.
One morning, Donnie was asked to 6 some questions. After a while, he was in tears (眼泪) because he 7 a mistake. Then Mary took out a box filled (装满) with 8 from the desk.
"Look, Donnie," she said standing beside 9," I have something to show you." She 10 the erasers, one at a time, and put them on the desk.
"See these erasers, Donnie?" she continued. "Do you know 11 these erasers become smaller and smaller? That's because we make mistakes. But we erase (擦除) the mistakes and try 12. That's what you must learn."
"Here," she said, "I'll 13 one eraser on your desk, so you'll remember that 14 may make mistakes." Donnie looked at Mary and smiled.
Donnie 15 a lot from then on. He knew that everyone might make mistakes. He should learn from them and tried again.