他不得不熬夜工作以赶上截止日期。

He had to ___burn ___the ___midnight ___oil to meet the deadline.

她正在为准备考试而开夜车。

She's ___burning ___the ___midnight ___oil to prepare for her exams.

如果不是在这个项目上熬夜工作，我们不可能满足客户的期望。

Without ___burning ___the ___midnight ___oil on this project, we wouldn't have met the client's expectations.