改错题。 I'd like to tell you something about my friend Peter. He is a clever boy, and sometimes he is lazy. Last term, he doesn't study hard at school. He failed all the subject except math. English was worst of all. With the help of the teachers, he works very hard and becomes a top student in our class in this term. 1.________ 2.________ 3.________ 4.________ 5.________