A. cross B. foot C. peach D. stroll A. or B. potato chips C. car pool D. smoker A. incense B. one the other C. go for a walk D. air conditioner A. anthropologist B. solar system C. no D. typesetting A. understanding B. wing C. make sure D. sacrifice A. concerned B. give C. interference D. photograph A. freedom B. rabbit C. technician D. cottage A. reporter B. keep clear of C. space station D. arm A. multiply B. over and over again C. drown D. finger A. body B. tend C. telesurgery D. not until