阅读下列短文，根据短文内容，选择正确答案。

Hello, I'm Mary, Welcome to my school. This is the canteen(餐厅). We have breakfast at 7 o'clock and have lunch at 12 o'clock. This is the library. There are many books. I like books very much. This is our classroom. It's on the second floor. It's next to the teachers' office. There is a computer and a TV in our classroom. This is our playground. The weather is sunny and warm. And it's 4 o'clock. It's time for PE class. We can play football. Let's go.