A. Antarctica B. electric C. contrast D. good-humouredly A. Christmas Eve B. footstep C. in D. drink to A. right B. ocean C. theirs D. colour A. forgive B. software C. primary D. wall A. refrigerator B. civilization C. family name D. U-turn A. tramp B. armchair C. discuss D. Brazil A. humanity B. social climber C. window D. dish A. aggressive B. same as C. supporting D. left A. indefinable B. living room C. yard D. recorder A. room B. brigade C. scavenger D. sales assistant