A. room B. reaction C. work from home D. commitment A. lecture B. rainbow C. witness D. raincoat A. groceries B. take in C. scurvy D. rust A. necessity B. conscientious C. contract D. aren't A. point B. posture C. insurmountable D. boil A. handkerchief B. crevasse C. liquid D. fall asleep A. robot B. electricity C. bank D. troublesome A. fast asleep B. in disguise C. flame D. should A. reconstruct B. morning exercises C. blonde D. astonished A. Singapore B. lake C. sodium D. fever