阅读短文,判断句子正误。
Hello, I'm Li Ping. I'm a student. I'm in Class 2, Grade 6. There is a new library in my school. There are many books in it. But there wasn't a library three years ago. My classroom is big and clean. There is a computer on the teacher's desk. There is a map of China on the wall. But there wasn't a computer or a map in my classroom two years ago. Five years ago there were one thousand students in my school. But now there are two thousand students. My school is beautiful. I love it.