A. nursery rhyme B. edifice C. well D. turn off A. ugly B. take one's order C. go into D. overcome A. ecosystem B. five C. starboard D. style A. bottom B. family name C. indifferently D. deliberately A. be harmhul to B. hopefully C. underclothes D. think A. dead B. scientific C. slander D. systematic A. sort out B. information C. transportation D. under construction A. North Pole B. earring C. hawker D. fisherman A. crowd in B. insist C. take part in D. quantities of A. football B. food chain C. Chinese medicine D. dialog