The harder you work, x you’ll pass the exam39/80Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions. The harder you work, x you’ll pass the exam. the best the worst the better the worseGiải thíchĐáp án là C. Cấu trúc “càng. càng.” : The + comparison + S+ V, the + comparison + S+ V.