Question

【题目】The car accident happened __________ a cold winter morning. Three people were killed in the accident.
A.in
B.on
C.at
D.of

Answer 1

【答案】B
【解析】句意：那次车祸发生在一个寒冷的冬天的早晨，三个人在那次事故中丧生。根据时间“a cold winter morning”可知这是“一个寒冷的冬天的早晨”，是具体到了某一天的早晨，用介词on．故选B。