第四部分：写作(共两节，满分20分)      
第一节：改错: 请找出下列短文中的错误，并改正。
注意, 没有错误的不用改。（每小题0.5分共5分）
I was used to complain about my English teacher                    1.___________
for his bad English. I was also tired with his teaching methods,           2.___________
it were always slow and boring. However, my attitude towards           3.___________
him began to change after one afternoon. It was raining                  4.___________
heavy and I didn’t attend school. Around 5:30 pm I received              5.___________
a phone call. “Are you all right?” asked my English teacher in quiet        6.___________
voice. On hearing her words, I was shocked and my mind was             7.___________
flooded with mixed feeling. He was showing his concern                 8.___________
for me, though I have not been happy with him! Was he just               9.___________
acting and should I smooth away my past misunderstanding of him?        10.___________