我通常在凌晨时分醒来。

I usually wake up in ___the ___early ___hours.

派对一直持续到后半夜。

The party went on until ___the ___small ___hours.

为了赶在截止日期前完成，他凌晨时分还在工作。

He was still working in ___the ___early ___hours to meet the deadline.