Вставьте a ,an,or
1.It is __interesting book .
2.It is __very interesting.
3.He is__actor.
4.He is__good actor.
5.have you got __envelope?
6.have you got __big envelope?
7. Give me__oar,please.
8.Give me__small oar,please.
9.She has got __apple and__pineapple.
10.I need __onion .
11.I need __big onion.
12.This is __umbrella.
13.It is __very nice umbrella.


Помогите пожалуйста СРОЧНО!!!