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题库 / Prep2007E1-SC-135
At one time, the majestic American chestnut was so prevalent that it was said a squirrel could jump from tree to tree without once touching the ground between New York State and Georgia.
so prevalent that it was said a squirrel could
so prevalent that a squirrel was said that it could
so prevalent for a squirrel to be said to be able to
prevalent enough that it was said a squirrel could
prevalent enough for a squirrel to be said to be able to
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so that, 如此，以至于，包含一层因果的逻辑关系
enough to do，足够……而能够，没有因果的意思
so prevalent that it was said a squirrel could jump ，it作形式主语，事实主语时said后面的句子，某件事被传说，而不是a squirrel was said，某个人/某样东西被传说
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