The student loan program has give financial aid to over four million of students over the last 10

1. given                                                                                    2. 去掉of

years. Banks and universities are taking tough steps∧makesure that debts are repaid. About 1.25 

                                                                       3. to

million college students receive financial aid from the program in 2008. Repayment rates for

                               4. received

such loans vary great. Li Wen,who graduated two years ago, still can't even pay an interest on

                    5. greatly                                                                               6. the

her debt. As a result, his university keeps his graduation certificate and diploma, that has caused

7. his                                                                                                       8. which

him to miss valuable job opportunity. He has little hope of pay down his debt.

                                9. opportunities                       10. paying