In several sentences it will not likely make any difference if "best" or "the best" is used. To my ear, "best" on its own has a tendency to sound better, but Which might be mainly because of the way my spouse and children spoke as I had been expanding up. https://paxtonuelsn.dm-blog.com/36504128/everything-about-how-to-get-all-levels-in-the-genius-crow