A. have a look B. phenomenon C. action D. bedtime A. heal B. holder C. playwright D. radioactivity A. elder B. if C. bomber D. whatever A. clap B. absent C. handbag D. duty A. summer B. tribe C. among D. ping-pong A. couple B. frog C. build D. cavern A. farther B. take a look C. familiarity D. mad A. script B. climate C. firework D. build up A. oppose B. goldfish C. apologise D. extol A. dignity B. recover C. technician D. effect