Did he ___ write a blog about his journey?
B. use to

• The correct phrase is "Did he use to" because after "did," we use the base form of the verb.

My father ___ tell me some of the most amazing stories from his underwater expeditions.
A. used to

• "Used to" is correct because it's describing a past habit or repeated action.

We really miss the sound of the waves. We ___ live near the ocean.
A. used to

• "Used to" is appropriate because it's referring to a past habit or situation.

She didn’t ___ be interested in the ocean, but then she saw an interesting video about diving.
A. used to