Mrs. Wilson was kicked and taunted by her again. She covered her stomach and snarled, "Laura, what are you doing? It's exam time, and you cannot leave the exam room without permission!"

Laura walked right out the door of the exam room.

Two invigilators watched every exam. One invigilator broke out into a cold sweat at the sight.

She said anxiously to Mrs. Wilson, "Mrs. Wilson, how can you settle a personal grudge in the exam room? You will affect your classmates in the exam."

Mrs. Wilson gripped the table tightly and shouted, "I didn't."

The invigilator didn't respond, "What?"

"I'm saying," Mrs. Wilson drew up her voice, "I didn't...