Be alert for words like better, best, more, most/mostly, main/mainly, major/majority, higher/highest/highly, greater/greatest, biggest, larger/largest, optimal, strongly/stronger/strongest, significant, essential, preferred, ideal/ideally, closest, special, especially, crucial, critical, central, predominantly, dominant, definitely/definitively, absolutely, largely, key, basic, primary/primarily, and specific/specifically in questions. They indicate that there might be other answers that could work, but the correct answer is the one that is the best of the choices given.