Accused!!!!

Just finished the first paper of both subject. I forgot to bring my Chinese dictionary to school and there are lots of words that I do not know how to write so leave blanks.The English paper I chose the topic of Bullying which I wrote a fiction story that Dominic and Jack bully me. I reported to dm and they got caned. Then newspaper report I wrote that the old man was crossing the wrote when the red light is up then the bus bang on to him.He was certify dead after he reach the hospital for a while.After the test I was being accused by Mrs pang that I threw paper ball on Dominic.She eye got problem isit?I was sitting right in front of the class and Dominic sit right at the back.How can I possibly threw a paper ball at him during exam.