Помогите. Add a or an, then ask and answer as in the example: a pencil sharhener....

Question

Помогите. Add a or an, then ask and answer as in the example: a pencil sharhener. 1.....ruler 2..... Eraser 4....pencil case 4.....notebook 5.......atles 6....blacboard 7.....book 8...school bag 9......qen 10.....pencil 11........notepad 13.......timeable

Answer 1

1. a ruler
2. an eraser 
3.A pencil case
4.A notebook
5.?!
6.A blackboard
7. A book
8.A school bag
9. ?!
10. A pencil
11. A notepad
13. A timetable