1. They camped on the hillside, near the ____ of the river. 2. It was reported by a reliable ____ that one of the hostages would soon be released. 3. Many of the mineral ____ of the country have been depleted. 4. Her children and grandchildren are the ____ of her happiness. 5. The earth is the ____ of ____ such as oil, iron, minerals, etc. 6. She utilized all her ____ to pay for her son’s college education. 7. Newton never claimed that he could explain the ____ of gravity – the reason why bodies attract each other. 8. Scientists reported that the artifacts and bones they found at the archeological site would provide a unique ____ of scientific data and historic information. 9. Some industrialized countries are becoming more dependent on foreign ____ of oil. 10. The country’s biggest ____ is the dedication of its workers.

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