Be alert for words like better, best, more, most/mostly, main/mainly, major/majority, higher/highest/highly, greater/greatest, biggest, largest, optimal, strongly/stronger/strongest, significant, essential, preferred, ideal/ideally, closest, special, especially critical, crucial, central, predominantly, definitely, absolutely, largely, key, and primary/primarily, 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.