Eachofthefollowingparagraphsisincomplete.Choosethebestsentencetomakethemcomplete.选择合适的句子完成下面段落。 Collegetuitionshouldbewaivedforstudentswhomaintaina4.0average.Thecostsofcollegehaverisendramatically,creatingahardshipformanystudentsandtheirfamilies.Somestudentswhomaintaina4.0haveademonstratedintellectualprowess.Otherswitha4.0averagehaveproventhattheypossessthededicationanddesiretosucceed.Forstudentswhodonothavea4.0average,____.A4.0isanindicatorthatthesestudentspossessapotentialforpositivecontributionstosociety,andtheyshouldberewardedfortheiraccomplishments.