it如果就是first clause的主语，那就是重复了，没有必要加了，直接用but allows。而且budget allows districts to spend说不通吧。其实我觉得it如果逻辑通的话，应该是指代administration,但是administration是所有格形式，没有办法用it指代。而且it不是形式主语，因为allow sb to do，to do是allow的宾语补足语（对语法概念词不太清楚，可能用错），比较像 Mary asks me to eat out 的 to do 意思一样。所以我理解成it 指代demand. p.s.大家都是战友，只不过有入行早晚之分，欢迎加入讨论。 -- by 会员 running2k (2009/12/22 4:59:03)
最近看了几道语法题，好像GMAT中对用代词指代所有格好像并不是考点，所以这道题我要推翻我以前的结论，这个it就是指代administration.
for example:
旧PREP1-7：Obtaining an investment-grade rating will keep the county's future borrowing costs low, protect its already-tattered image, and increase its ability to buy bond insurance.
旧PREP1-16： In her later poems, Phyllis Wheatley's blending of solar imagery, Judeo-Christian thought and figures, and the images she borrowed from ancient classicism suggesting her range and depth of influences, not the least of which is her African heritage.
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发表于 2009-12-21 14:49:12
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