更正在括号处标明!刚好十处错误!保证准确!
there was a time when zhang yi and i (were) good friends, but now we are like (strangers). on his first day in our class two years ago, he had no one to take (加入to/with). i was the first one to say hello to (him), so we became feiends. zhang yi did well in math (and) he was always ready to (help) me with it. one day last month, i told him (去掉ahout) that i would be away from school for two days to see a friends. but he told my father about it and that made me (angry). now, i know i was wrong. i decide to say sorry (to) him, because i do not want to lose (such) a good friend.
注：最后一个单词friends应该是楼主打错了.