There was a time when Zhang Yi and I was good friends, but now we are like stranger. On his first day in our class two years ago, he had no one to talk. I was the first one to say hello to her, so we became friends. Zhang Yi did well in math or he was always ready to help me with it. One day last month, I told him about that I would be away from school for two days to see a friend. But he told my father about it and made me angrily. Now, I know I was wrong. I decide to say sorry for him, because I don't want to lose so a good friend.