посчитайте плиз даю 10 поинтов только правильно ​

1 a bin

2 a blackboard

3 a calculator

4 chairs

5 a computer

6 cupboards

7 desk

8 an eraser

9 an exercise book

10 an interactive whiteboard

11 a pen

12 pencils

13 a pencil case

14 a pencil sharpener

15 rulers

16 a schoolbag

17 shelves