根据汉语提示补全短文
Hello, my name is He Lin. I'm in Class2, Grade 7. There are forty-three students in my class, nineteen girls and ____ (二十四)boys. There is a ____ (电脑)on the teacher's desk and a TV in the____ (前面)of the classroom. Are there any photos on the classroom walls? Yes, there are. But there ____ (没有)a map of China or a map of the world on the wall. What about your class? How ____(多少)students are there in your class?