ThelongestriverinCanadais________.
A、theMackenzieA
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Australia, which is one of the world's developed countries, has become rich through ________.
InCanadathefederalgovernmentshavealwaysbeenformedby________.
AtrendthatoccursatthesametimewiththemovementtotheSouthandtheWeastoftheUnitedStatesis________.
Australia is located between ________ and the Indian Ocean.
When was the referendum on Quebec's future status held in Canada?