It's everyone duty to _________ __________the endangered ani

It's everyone duty to _________ __________the endangered ani it s everyone s duty to keep the e healthy. It's everyone's duty()giant pandasA.protectingB.to protectC. To obeythe laws is everyone's duty.改为用it作形式主语的句子 it is everyone's duty to___-our school a pleasant place to l it's my duty ... it's one's duty to do sth.翻译 It's our duty to make our city much_____ it's our duty to protect our environment/是什么意思请问 it's our duty to help ____(protect)the environment it's our duty ti distribute to the society It's my duty to save patients.的同义句