A. elder B. stop doing C. mainly D. chip A. uncrowded B. law C. trap D. crevasse A. video B. danger C. turn out D. banish A. woof B. European C. soy D. bat A. yacht B. hunter C. knowledge D. at once A. a little B. sighting C. daytime D. Great Wall A. receiver B. easy-going C. disinfectant D. none A. lawn B. at birth C. zebra D. efficient A. bake B. put in order C. high-spend D. otherwise A. octopus B. free C. unknown D. air conditioner