A. contrivance B. unpack C. particle D. boyhood A. unsmiling B. birthplace C. assign D. stone A. practice B. graceful C. yes D. passage A. cater B. rude C. story D. in A. optional B. account for C. stare at D. bin A. fathom B. last word C. advantage D. illogical A. clear out B. bring up C. play the piano D. volume A. 3D B. as for C. indoor D. on holiday A. deliver B. edifice C. fault D. so that A. appoint B. charity C. insurmountable D. servant