A. day B. alcohol C. wheelchair D. extreme A. sewage B. house C. elevator D. bunny A. gasp B. leftover C. impact D. negligible A. in a low voice B. contamination C. swarm D. psychology A. early B. on the left C. mushroom D. sterilize A. acidic B. indefinable C. porridge D. haul A. close B. shame C. bactericidal D. insurmountable A. ceiling B. run-down C. food for thought D. Scorpio A. cellar B. swim C. ink D. virtual A. minimum B. species C. sanitation D. education