A. keyboard B. robot C. dangle D. Cincinnati A. heal B. for sale C. planetary D. center A. bird B. clock C. spasm D. foolish A. logical B. pencil-box C. out of sight D. Mr. A. go to the cinema B. swap C. behind D. employer A. symptom B. on time C. talk about D. system A. sea level B. apply for C. people D. excavate A. linguistics B. dinghy C. burn to the ground D. mirror A. bring out B. floor C. theory D. crowd A. seize B. key C. millimeter D. how