Question

【题目】—Why do you look so excited, Eric?
—Because I met my primary school classmate ________________ on the street.
A.by accident
B.by mistake
C.in danger

Answer 1

【答案】A
【解析】句意：—埃里克，你为什么看起来如此兴奋？—因为我在大街上偶然遇见了我的小学同学。by accident偶然；by mistake错误地；in danger处于危险中；根据Why do you look so excited, Eric?可知他兴奋，应是在无意中，偶然的情况下，遇见了同学，故选A。