1. 在我们学校，每个班有20名学生。
    In our school, _____ _____ 20 students in a class.
2. 在我的教室里有一块黑板。
    In my classroom, _____ _____ a blackboard.  
3. —在李老师的课桌上有一台电脑吗？
    —_____ _____ a computer on Miss Li's desk?
    —不，没有。
    —No, _____ _____ .
4. 在我们的课桌上没有电脑。
    _____ _____ _____ computers on our desks.
5. 这支钢笔5元，那支钢笔2元，也就是总共7元。
    This pen is five yuan.  That pen is two yuan. _____ seven yuan all together.    

Betty: In our school, there are 20 students in a class. In my classroom, there's a blackboard and there are
         22 desks.
Daming: There are 46 students in my class. That's 24 boys and 22 girls. No, that's not right. There are 25
             boys and 21 girls. There are 48 desks.
Betty: Are there any computers on your desks? Is there a computer on Miss Li's desk?
Daming: No, there isn't. There isn't a computer on Miss Li's desk. And there aren't any computers on our
             desks. Are there any computers in your classroom?
Betty: No, there aren't.

1. In Betty's school, there're ___________ students in a class.
2. There's a ___________ in Betty's classroom.
3. In Darning's class, there're ___________ students.
4. ___________ has got 21 girl classmates.
5. Are there any computers in Betty's classroom? ___________.

    My name is Tony. I      1         (have) a big family. There are many people in my family. They     2      
(be)my grandfather, my grandmother, my parents, my sister and I. I haven't got any brothers. I       3      
(study) in a school in Beijing. It's very big. There are many students in our school. In front of(在……的前面 )our classroom there is a blackboard. We can     4      (write) on it. There are forty desks and chairs
in our classroom. Miss Li is our teacher.There is a computer on Miss Li's desk. But there     5     (be not)
any computers on our desks.I love my family. And I love my school and teachers.