Complete the sentensec with used ro or didn't use to and a verb below

I ___________ to study late at night, but now I prefer to study in the mornings.

Sarah ___________ attend all of her classes regularly, but now she skips a few here and there.

We ___________ have access to online resources for our research, but now they are readily available.

He ___________ use a calculator for math problems, but now he calculates everything by hand.

They ___________ take notes during lectures, but now they always have their notebooks with them.

I ___________ use flashcards to memorize vocabulary, but now I find other techniques more effective.

She ___________ rely on group study sessions, but now she prefers to study alone.

We ___________ need to submit our assignments electronically, but now it is the norm.

He ___________ ask questions in class, but now he actively participates and seeks clarification.

They ___________ struggle with time management, but now they have developed effective strategies.