A. tricycle B. explorer C. arsenic D. bad A. dove B. airmail C. neck D. really A. industry B. first of all C. far D. delicate A. Mrs. B. memorize C. official D. underwear A. street B. by coincidence C. text message D. water bottle A. traffic B. electrician C. model D. astonished A. integrated B. line C. scholarship D. from now on A. boy B. rural C. move D. chopstick A. embedded B. right now C. carriage D. pipe A. loudly B. posture C. rest D. Thursday