When she was in the university, she _______ wake up early in the morning.
When she was in the university, she _______ wake up early in the morning.
Explanation
"Would" is used to describe past habitual actions, especially in narrative or storytelling.
"When she was in the university" sets the action clearly in the past, so "would" fits well.
When she was in the university, she would wake up early in the morning."