A. AIDS B. biology C. survival D. home A. friend B. journal C. precariously D. catchy A. dropped B. only C. steadily D. symphony A. officer B. refer to C. goes D. fast-food restaurant A. yourself B. guidebook C. on the phone D. former A. go shopping B. fast C. make a deal D. commodity A. work B. lasting C. amphibious D. braid A. shopping B. inn C. stair D. hunger A. hover B. paradise C. who D. out of control A. in front of B. by bus C. dad D. take one's order