----- Nội dung dịch tự động từ ảnh ----- Mark the letter A, B, C, D on your answer sheet to indicate the word that differs from the other three in the position of primary stress in the following questions. Question 16. A. discover Question 17. A. improve B. marinate B. passport C. fantastic C. travel D. addition D. wildlife Mark the letter A, B, C or D on your answer sheet to indicate the word CLOSEST in meaning to the underlined word in the following question. Question 18. The three-year-old boy has a cycle with three wheels. A. motorcycle B. bicycle C. tricycle D. unicycle C. postpone D. wait Question 19. They put off their trip because of the heavy rain. A. destroy B. erase