I thought the older people would be more offended than the young people, but it was the other way _ 9 _.

句意：我以为那位老人会比年轻人更加生气，结果情况恰恰相反。结合句意可知“the other way _ 9 _.”表示：正好相反。固定词组 the other way  round正好相反。 答案：round。