Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning tothe underlined word(s) in each of the following questions. 17. Education is free, but some people pay to send their children to private schools. A. expensive B. popular C. public D. high 18. It is so good that the authorities have improved the public transportsystem here recently. A. changed basically B. stopped using C. made better D. made worse Mark the letter A, B, C or D to indicate the option that best completes eachof the following exchanges. 19. -"Would you like milk or sugar in your tea?" “____________” A. No sugar, please. B. No, just black tea, please. C. Why not milk for me? D. Yes, a lot of milk. 20. -"What time did you phone Oggy last night?" “____________” A. I didn’t see him last night B. Oh, half of an hour C. From my home D. At a quarter past ten