请用适当的词完成下面的短文，并把所缺单词填在横线上。每个空只能填一个形式正确、意义相符的单词。

    Hello! My name is Wang Lin and I'm twelve years old. Now let me tell(告诉)you something my school. is a big river(河)in the northwest(西北)of my city. It is the Golden River. My school is near the river. It is big beautiful(漂亮的).

    There are three in my school: a classroom building, office building and a dining hall. The classroom building is the left of the school. There are 24 in the classroom building. There 20 offices in the office building. The teachers work there. On the right of the classroom building, there is a dining and we often have lunch there. In the west of the school a big playground.