1.
[Audio file]
It's a CD
2.
[Audio file]
It's a cellphone
3.
[Audio file]
It's a computer
4.
[Audio file]
It's a videogame
5.
[Audio file]
They're CDs
6.
[Audio file]
They're cellphones
7.
[Audio file]
They're computers
8.
[Audio file]
They're videogames
