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    28．The last eruption of the Yellowstone Volcano the mountains and valleys that visitors can see today in Yellowstone． A．developed B．destroyed C．invented D．formed 【查看更多】

     

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    The last eruption of the Yellowstone Volcano ________ the mountains and valleys that visitors can see today in Yellowstone．

    A．developed               B．destroyed                C．invented                  D．formed

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