短文改错。
     下面短文中有10处语言错误。请在有错误的地方增加、删除或修改某个单词。
     增加：在缺词处加一个漏字符号（∧），并在其下面写上该加的词。
     删除：把多余的词用斜线（＼）划掉。
     修改：在在错的词下划一横线，  并在该词下面写上修改后的词。
   注意：
      1. 每处错误及其修改均仅限一词;
       2. 只允许修改10处, 多者 ( 从第11处起 ) 不计分。
Ralph,
   I am an university student. I once thought life at the university must be excellent, but now I changed
my mind. I have three roommate, and I was the last one to move into the dormitory. Last term, I got
along peacefully and happy. And I find they are not willing to be with me now. They don't talk with me,
and they've became cold toward me. Many time, I have wanted to talk with them about how I felt like,
but I failed to find a chance. When leaving alone, I always think about this sadness. Since I am so an
honest student, why can't I win true friendship?
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【考点】不定冠词,可数名词及其单复数,人称代词,副词,并列连词

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