A. gravitational B. walking C. customs D. packaging A. organize B. dog C. desktop D. zigzag A. photographic B. lovely C. I'd like D. shall A. suffice B. fuel C. come D. jog A. performer B. carpet C. fragile D. element A. bamboo B. continuing C. king D. hat A. same B. accuse C. inmost D. younger A. officer B. terminal C. presumptuous D. archaeology A. diagnose B. passport C. theater D. footstep A. school B. muster C. firework D. friend