A. fight B. observant C. took D. already A. bye-bye B. playground C. prediction D. sanitation A. involve B. especially C. span D. dangerous A. word B. doctor C. lizard D. sustenance A. opposite B. be made up of C. effortlessly D. space A. globe B. play a part C. sing the birthday song D. opportunity A. porter B. lunar C. disagree D. thrill A. indigo B. coastal C. peace D. compromise A. knock on B. human C. independent D. sub-zero A. aunt B. credit C. possible D. windy