1.
[Pista de audio]
countable*
2.
[Pista de audio]
countable
3.
[Pista de audio]
countable
4.
[Pista de audio]
countable
5.
[Pista de audio]
uncountable
6.
[Pista de audio]
countable
7.
[Pista de audio]
uncountable
8.
[Pista de audio]
uncountable
9.
[Pista de audio]
uncountable
10.
[Pista de audio]
uncountable
11.
[Pista de audio]
uncountable
12.
[Pista de audio]
uncountable
13.
[Pista de audio]
uncountable
14.
[Pista de audio]
uncountable
15.
[Pista de audio]
uncountable
16.
[Pista de audio]
uncountable
