A. subtle B. shiver C. and so on D. take the lead A. custom B. impolite C. mild D. socks A. meteorologist B. cell C. confidence D. seat A. altitude B. read C. be angry with D. knock A. queue B. lifeboat C. finally D. as soon as A. keyboard B. have lessons C. selflessly D. mortgage A. customs B. shine C. disability D. haul A. make a wish B. behave C. content D. tuck A. carelessly B. when C. north-west D. load A. Tokyo B. radical C. case D. finely