A. regulation B. sodium C. light D. future A. preferential B. more C. delete D. cute A. dress B. worldwide C. borrow D. ruler A. South Pole B. traffic C. peaceful D. stalactite A. Buddhist B. question C. Hong Kong D. unit price A. carry B. abortion C. help oneself D. sprout A. schoolwork B. air C. make mistakes D. sister A. snorkelling B. expert C. sea D. snowball A. not only but also B. bowl C. rapidly D. geologist A. heavy B. interesting C. opera house D. conspire