初中英语常用时间介词 in/on/at

初中英语 常用的时间介词in/on/at

at用于具体时刻：at 7:00, at noon, at midnight, at night
on用于具体日期和星期：on Monday, on May 1st, on the morning of June 6th
in用于年月季节和泛指的早中晚：in 2024, in May, in summer, in the morning