A. stack B. Nile C. wire D. thus A. Antarctica B. wolf C. sidewalk D. rod A. haul B. reunion C. nod D. antique A. in one's opinion B. take it easy C. interpersonal D. Japanese A. thumbs-up B. bonus C. valueable D. programmer A. adolescent B. peak C. island D. whine A. population B. somebody C. vet D. scramble A. furniture B. square C. judgement D. user A. world B. mixed C. culpable D. Mexican A. planet B. notice C. have a toothache D. penny