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根据内容提示完成句子。 1. It was also a treasure ______ ______ gold and jewels, which took the country's best artists about ten years to make. 2. Although he had ______ _______ _______for the final of the race he decided at first not to take part. 3. We are determined to create ________ ________ ________ system. 4. You should _______ ________ _______ _______the rainforest where I live and appreciate how the animals live together. 5. _______ _______ _______ ______ that Kip Keino became the only Kenyan sportsman ever to appear on the cover of the world famous sports magazine Sports Illustrated .