A. dinosaur B. vinegar C. middle D. for A. separate B. car pool C. expectation D. quarter A. billion B. inspect C. injection D. do well in A. shut B. astound C. withdraw D. shape A. afresh B. entire C. custom D. element A. emperor B. speaker C. dome D. lantern A. gas B. take a rest C. Chinese paper-cutting D. penguin A. state B. papa C. hilly D. nomad A. reduce B. lever C. pop music D. cosmetic A. solitude B. cave C. disagree with D. scavenger