7870. He used to regale us with anecdotes.

✅ The correct answer is option C.
Bore : make (a hole) in something with a tool or by digging.

Flatter : lavish praise and compliments on (someone), often insincerely and with the aim of furthering one’s own interests.

Entertain : provide (someone) with amusement or enjoyment.

Tire : feel or cause to feel in need of rest or sleep.

Regale : entertain or amuse (someone) with talk.

Synonym of Regale is Entertain