阅读短文判断正误
    I want to be a good student. I should be polite. I should study hard. I should be helpful. I should walk in the corridors(走廊）. I should throw rubbish（垃圾）in the bin. I should be quiet in the library. I shouldn't walk and run on the grass. I will keep school clean. I think I can be a good student in my school now. I shouldn't right. I shouldn't be noisy in the library. I think I can be a good student in my school now.