A. solve B. shave C. mat D. dull A. author B. fifth C. middle school D. arrowhead A. think B. rare C. birth D. diamond A. cause B. warmth C. tie D. dictionary A. neurotoxic B. accomplishment C. prepare D. based A. billion B. frequently C. heavy D. good night A. quiet B. hip hop C. calculate D. orphanage A. put down B. huge C. reminder D. bun A. bathroom B. become interested in C. hold back D. report A. have a point B. pupil C. aching D. worthless