阅读下面短文，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。
Canada is a country       North America consisting of ten provinces and three territories.       （locate）in the northern part of the continent, it extends from the Atlantic       the Pacific and northward into the Arctic Ocean. Covering 9.98 million square kilometers in total, Canada is the world's second-largest country by total area and the fourth-largest country by land area.       common border with the United States forms the world's longest land border.
Canada is a developed country and one of the       (wealthy) in the world, with the tenth highest nominal per capita income       (global), and the eighth highest ranking in the Human Development Index. It ranks among       highest in international measurements of government transparency(透明度), civil liberties, quality of life, economic freedom, and education. Canada is        member of the Commonwealth of Nations,       is furthermore part of several major international and intergovernmental institutions or groupings,      (include) NATO, the G8, the Group of Ten, the G20, the North American Free Trade Agreement and the Asia-Pacific Economic Cooperation forum.