I study in No.9 Middle School. is, our , beautiful, clean, school, and(1). There are 12 classes, 68 teachers and 400 students in it. There are two buildings in our school. Our classrooms and teachers offices are in the buildings.(2) 在我们学校有一个阅览室和一座图书馆。（3）We often read books there. I like my school very much. Welcome to our school.

请阅读短文，按要求完成下面练习。

73. 请将文中（1）句中的单词组成句子。Is, our , beautiful, clean, school, big, and(1)

74. 请将文中（2）句中的一处错误指出并改正。

Our classrooms and teachers offices are in the buildings. (2)

　　　　　　　　　改成　 　　　　　　　　　　　　　　　　　　　　

75. 请将文中（3）句的中文翻译成英文。在我们学校有一个阅览室和一座图书馆。（3）

76. How many people are there in the school?

77. 请将文中的4个数字译成英文。

9　　　　　　 12　 　　　　　68　　 　　 　　400