Hola necesito 15 preguntas con preposiciones de lugar?

1. is it the book is behind of the computer?

2. is it the dog is in a room ?

3. is it the ball on the table?

4. is it the car on a street?

5. is mary behind me?

6. is it the car among the students?

7. is it the bike beetween the walls?

8. are there car beside the park?

9. is she between of a car?

10. are there a cat behind of my bed?

11. is she in front of mall?

12. the children left their books on the table?

13. are there was a spider on the wall?

14. are my parents at work?

15. is it the dog sleeps outside the house?