He felt__to work for human rights and grogress.Ait his duty

He felt______duty to work for human rights and progress. he spent much time working for human rights and progress 中 f 1：He felt ___to work for the world peace.A.it his duty B.his human rights The Syrian observatory for human rights 中的observatory是什么意思 The different between China and American human rights 英语翻译He kept on trying and was rewarded for his hard work.At He was often late for work , and that finally his job. A cos Human Rights Watch human rights discourse human-rights activist是什么意思? for用法比如：Center for business,League for Human Rights,为什么不用of反