Because they usually receive the same score in the exams, there’s often disagreement as to ______ is the better student, John or Mary.
Each statue is of a person who has made a ___ in American history.
The official ___ whom we applied ___ a permit was most warm-hearted.
Many of the survivors are being ___ burns and other injuries at local hospitals.
The number of people who ___ in position of professional skills and knowledge ___ shrinking.
The experiment shows that proper amounts of exercise, if ___ regularly, can improve our health.