时间介词in/on/at — 英语词汇题
题目
阅读下面的短文，用 in、on 或 at 填空（每空一词，每个介词在文中可多次使用）。"Last Saturday was May 1st. I got up ___ seven o'clock ___ the morning, because my family went to the zoo ___ that day. We had lunch ___ noon, and ___ the afternoon we watched a monkey show. It was fun!"