A woman works in a factory and1her pay at the end of2week. One Saturday she got her pay and counted the3. Suddenly she found that it was wrong: there were five pounds4than she should get. She5the money in her pocket and said nothing6others. A week went by and it was pay day7. But this time there were five pounds less instead. She was so angry8she went to see the boss. The boss said to her. "Didn't you9there was a mistake last week?" But she explained: "For one mistake, I can 10my eyes, but for two mistakes, no, I cannot."