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C) adjusted D) accustomed? 15. An ambulance must have priority as it usually has to deal with som e kind of ____.? A) crisis B) urgency? C) emergency D) emergence ? 16.____ nothing more to discuss, the secretary-general got to his feet, said goodbye and left the room. ? A) There was B) Being? C) There being D) As there being? 17. I ____you that the machine will arrive next week.? A) insist B) confirm? C) assure D) undertake? 18. Many new ____ will be opened up in the future for those with a uni versity education. ? A) opportunities B) necessities? C) probabilities D) realities? 19. His discovery counts ____nothing though he tried very hard.? A) on B) for? C) in D) up? 20. He has never felt himself so powerfully ____to the scientific ideal. A) interested B) absorbed? C) confident D) attracted? 21. If you don’t put the food in the refrigerator, it may go ____.? A) off B) over?3/4