A. spill B. tariff C. plastic D. blossom A. squeak B. vast C. in theory D. cut up A. protein B. be free C. youth D. obstruction A. grace B. officer C. strike D. ever since A. painful B. record-holder C. slaughter D. beast A. pact B. opera house C. banana D. Happy New Year A. in total B. interval C. suffice D. candidate A. receipt B. interference C. chewing gum D. once or twice A. eliminate B. mattress C. second D. volcano A. appreciation B. by the time C. Forbidden City D. lever