Like university students, US high school students can choose the ________(course) that most interest them freely. Even a ninth-grader can sit ________ the same classroom as 12th-graders. But this also ________(mean) he or she has to work very hard, because the teacher will not treat him or her ________(different).

第五节：短文改错 （10分）

　Many memories faded away. However, never I forget the sports meeting on a hot Friday morning, that has encouraged me a lot in my life afterwards. Having prepared for a long time, all of the classmates were sure that I would win the basketball match undoubtedly. Far beyond our expectation, our captain had his arm been hurt when the match is approaching. How terribly it was! Though all of us tried to make up for the disadvantage, we lost a match by one score. We burst into tears at that moment. Saw this, our head teacher comforted us, "Nothing is more important than your friendship and your sense of teamworks. Success still belong to you."