Please fill in the blanks with "a" or "an".
1. It is .............eagle.
2. It is .............egg.
3. This is ...............umbrella.
4. What is that? That is ............eraser.
5. What is this? This is ..........television.
6. What is it? It is ...........blanket.
7. It is not ...............bird, it is ..........chicken.
8. That is not ..............lion, it is ..........puma.
9. It is not ..........pen, it is .........pencil.
10. It is ............durian.
