Answer based on your own feelings. No one can answer for you.
1: Are
2: Is
3: are
4: are
5: don't
To make a thorough search.
One in five<span> teenagers in America can’t hear rustles or whispers, according to a study published in August in The Journal of the American Medical Association. These teenagers exhibit what’s known as slight </span>hearing loss.<span> The number of teenagers with hearing loss from slight to severe has jumped 33 percent since 1994.</span>
