他觉得不得不辞去工作。

He ___felt ___compelled ___to resign from his job.

作为国际学生体育俱乐部的成员，我觉得必须写这篇文章来回应之前那篇关于当今年轻人忽视体育和健康活动的文章。

As a member of the International Student's Sports Club, I ___felt ___compelled ___to write this article in answer to the previous article about how today's youth is putting sports and healthy activities aside.

她觉得必须为她的错误道歉。

She ___felt ___compelled ___to apologize for her mistake.