9. The Great Lakes are a collection of freshwater lakes located in northeastern North
America. They were shaped when the glaciers thawed after the last ice age.
(A) advanced
(B) disappeared
(C) exploded
(D) melted
(E) declined
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統計: A(4), B(9), C(5), D(198), E(4) #923092
統計: A(4), B(9), C(5), D(198), E(4) #923092