A. concert B. mate C. user D. power line A. imperceptible B. watchdog C. cold D. perilous A. compare with B. communicate C. conjuring D. our A. till B. keyboard C. what about D. drew A. uncle B. lightning C. competence D. excited A. remote B. sensational C. one day D. routine A. real-life B. the high jump C. health care D. last A. sportsperson B. finish C. fun D. storyteller A. family name B. ring C. bronze D. pop A. acre B. next C. temperature D. anything else