问题描述：
SAT improving sentences题~
Many changes occurred when she was the president of the (college,and they increased its educational quality as well as effectiveness.)
为什么要改成college; these changes increased the educational quality and effectiveness of the college
Many changes occurred when she was the president of the (college,and they increased its educational quality as well as effectiveness.)
为什么要改成college; these changes increased the educational quality and effectiveness of the college
问题解答：
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