Welcome to our school ! This is my classroom. 欢迎来我们学校!这是我的教室。 It's so big ! How many students are there in your class ? 这教室真宽敞!你们班有多少学生呀? Forty-five students. 四十五个学生。 Is that the computer room? No, it isn't. It's the teacher's office. 那是计算机房吗?不是,那是教师办公室。 Do you have a library ? 你们有图书室吗? Yes, we do. It's on the second floor. This way, please. 有啊。在二楼呢。请跟我从这边走。