Trắc nghiệm: Mark the letter A; B; C or D on your answer sheet to indicate the word whose,Mark the letter A. B. C or D on your answer sheet to indicate the word whose,Mark the letter A; B; C; or D on your answer sheet to indicate the word whose,Mark the letter A B C or D on your answer sheet to indicate the word whose,Mark the letter A. B. C. or D on your answer sheet to indicate the word whose