A. plan B. look back at C. went camping D. organism A. get back B. bonus C. thirsty D. dragon boat A. garbage B. go for a walk C. bedroom D. square A. shock B. yourself C. howl D. methylated A. had a cold B. heavier C. any time D. snake A. hillside B. knock C. hide and seek D. on the right A. nine B. shyness C. trust D. late A. fit B. Olympic C. pen D. absorbing A. Chinese paper-cutting B. polite C. birthday D. designer A. fill in B. unless C. cash crop D. competition