A. mouse B. acquaint C. problem D. opposed A. from then on B. call up C. credulous D. gasoline A. get out B. have pity on C. speech D. neighbour A. sighting B. square C. pile D. the next day A. quietly B. alienate C. in the face of D. memorable A. net B. approval C. slippery D. Wet floor A. just then B. interpreter C. genuine D. insidious A. acute B. on average C. hit D. thumbs-up A. pour into B. convenience C. give speeches D. colleague A. camp B. wag C. act D. walk by