The longest river in Canada is（） A: the Mackenzie B: the St.Lawrence C: the Severn D: the Yuko
The longest river in Canada is（） A: the Mackenzie B: the St.Lawrence C: the Severn D: the Yuko
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The longest river in Canada is（） A: the Mackenzie B: the St.Lawrence C: the Severn D: the Yuko