A. throw light on B. in hospital C. slope D. gatekeeper A. relay race B. election C. meaningful D. arbitrary A. juice B. upper C. be known for D. choice A. noodle B. importantly C. yearbook D. older A. Calais B. now that C. sense D. exterminate A. shake hands B. specialist C. pen friend D. in one's opinion A. ferry B. take down C. ring out D. condition A. item B. technological C. be famous for D. measurement A. wake up B. in other words C. bowl D. open A. communication B. leader C. writing paper D. aid