It's ... pen.
a
It's ... book.
a
It's ... picture.
a
It's ... desk.
a
It's ... apple.
an
It's ... ruler.
a
It's ... table.
a
It's ... egg.
an
It's ... orange.
an
It's ... bag.
a
It's ... umbrella.
an
It's ... octopus.
an
It's ... eraser.
an
It's ... elephant.
an