A. alarming B. trend C. firefighter D. run down the stairs A. medicine B. renewable C. hive D. New Year's Day A. nucleus B. less and less C. slogan D. in front of A. stand for B. result in C. write about D. victory A. slam B. methane C. whatever D. unrealistic A. leather B. shine C. state D. directly A. wave B. abortion C. greenhouse D. ice-cream A. distraction B. mild C. evolve D. vicious A. room B. least C. serenity D. environmental A. subscribe B. tractor C. Indian D. hide and seek