学生们要求老师延长作业截止日期。

The students ___demanded that the teacher extend the homework deadline.

这份工作需要高度专注力和快速反应能力。

This position ___demands high concentration and quick reflexes.

疫情期间，人们对在线课程的需求大幅增加。

During the pandemic, there was a huge ___demand for online courses.

医生紧急要求立即进行手术。

The doctor made an urgent ___demand for immediate surgery.