Mark the letter A, B, C or D on your answer sheet to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. 17. John has a (Thorough) knowledge of the history of arts. A. complete B. scientific C. practical D. wonderful 18. We had a (discussion) in class today about requiring students to wear school uniforms. A. ban B. arrangement C. reduction D. debate 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 following questions. 19. The world‟s population keeps (increasing) during the past few years. A. coming up B. getting on C. going down D. taking off 20. There is a (slight) difference between the twins. A. small B. considerable C. little D. minor