A. professor B. in rags C. purpose D. whereabouts A. head-on B. star C. channel D. conceive A. incessantly B. carefully C. constable D. kowtow A. roar B. pleasant C. feeling D. except A. nearby B. dawn C. nutshell D. meter A. dinghy B. bubble C. slowly D. egret A. pot B. used to C. opinion D. oar A. alpinist B. circuit C. do D. sprout A. carpet B. southwest C. impolite D. become interested in A. skin B. cheque C. hole D. political