Final answer:
In 'Wonder,' Auggie's mother made him wear his hearing aids again after his jaw surgery to improve his hearing.
Step-by-step explanation:
In the book Wonder by R.J. Palacio, after Auggie's jaw surgery, his mother started making him wear his hearing aids again. Despite Auggie's reluctance, his mother insists on this change because his hearing had worsened which made the aids necessary for him to hear better. Auggie's journey is a central aspect of the novel, illustrating his challenges and growth throughout the story.