Director Bull was not very proficient in mathematics, but he could see that Sophia wrote a concise solution to each step of the problem and got the answer in the shortest time with the fastest method.
With the reference answer, he checked the questions one by one until he came to the new filling part. "Why don't you do this question, Green? Are you forgetting?" He took a careful look at the paper and asked.
All the questions he had checked were correct, and he felt it was a pity to see an empty question. He thought about it and said, "Well, the time is not up yet. You can do it now."
Sophia hadn't spoken yet, and Mrs. Lee said first, "There are test rules. You can't change the test paper after you hand it in. It's the same everywhere. We can't break the rules!"
Ms. Acheson gave her a look. Rules? This exam just shouldn't be held.
