1. on the morning of the day after tomorrow.2. he was sleeping until the afternoon of the second day.3. 3 o'clock in the afternoon of yesterday / 9 o'clock on today's evening.4. 9 o'clock in the morning of the day after tomorrow, we will have a meeting in the auditorium on the second floor.5. two thirty in the afternoon of today.6. 不能省略
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