Havingtroublegettingandmaintaininggoodgradesisaproblema...
問題詳情：Havingtroublegettingandmaintaininggoodgradesisaproblemamongmanystudents.Changesandstresscanhaveamajoreffectongrades，whetherit'sbecauseofanewenvironment，morestudents，switchingclassesorhavingtroub...