短文改错。
The student loan program has give financial aid to over four million of students over the last 10 years.
Banks and universities are taking tough steps make sure that debts are repaid. About 1.25 million college
students receive financial aid from the program in 2008. Repayment rates for such loans vary great. Li
Wen,who graduated two years ago, still can't even pay an interest on her debt. As a result, his university
keeps his graduation certificate and diploma, that has caused him to miss valuable job opportunity. He has
little hope of pay down his debt.
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