Question 37: Mark the letter A, B, C, or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the questions following: He was imprisoned because he revealed secrets to the enemies.
reveal (v): reveal
disown (v): not recognize declare (v): declare
betray (v): reveal, betray conceal (v): conceal
=> reveal >< conceal
=> He was imprisoned for revealing secrets to the enemy.