单项选择题
The St.Lawrence and（）together form an important transportation network for eastern Canada.
A.the Mackenzie
B.the Great Lakes
C.the Yukon
D.the Hudson Bay
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相关考题
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单项选择题
The longest river in Canada is（）
A.the Mackenzie
B.the St.Lawrence
C.the Severn
D.the Yukon -
单项选择题
Canada.s largest city is（）
A.Montreal
B.Toronto
C.Ottawa
D.Vancouver -
单项选择题
Nearly（）of the land in Canada has no permanent population.
A.half
B.two-thirds
C.89%
D.95%
