他感到不得不辞去工作。

He ___felt ___compelled ___to resign from his job.

我感到不得不写一篇文章来回应之前的那篇。

I ___felt ___compelled ___to write an article in response to the previous one.

她感到不得不在每个周末去当地收容所做志愿者。

She ___feels ___compelled ___to volunteer at the local shelter every weekend.