Take another look at the sentence:
Raphael would have __________ jeans and a T-shirt to the interview if he thought such attire would land him the job. Because he knew better, Raphael struggled into a scratchy suit that made him feel as though ants were crawling over his skin.
The sentence requires the past participle of wear, an irregular verb. Worn is the past participle.
|Verb||Simple Present||Simple Past||Past Participle|