Question

【题目】They went climbing the morning of May I and came back the afternoon．

A. on；on B. in；in C. on；in D. in；on

Answer 1

【答案】C

【解析】试题分析：句意：他们在五一的早晨去爬山，下午返回。在早晨，下午，晚上用介词in，具体到某一天的早晨，下午，晚上用介词on。故答案为C。