A. stay B. rediscover C. unite D. oxygen A. neighbourhood B. electricity C. too much D. twenty-first A. in terms of B. Information Centre C. add to D. chips A. ordinary B. sample C. relief D. temptation A. pounce B. grain C. twenty-one D. stage A. your B. radio C. facility D. billy-goat A. used to B. Bastille C. by means of D. headmaster A. grace B. tongs C. transportation D. sediment A. rust B. galleon C. twofold D. religion A. maximum B. mixture C. one by one D. addictive