Answer:
Letter K.
Explanation:
The letter c with vowels a, or i, or o, or vowel u produces the letter k's sound. Also, the q followed by ui, or ue makes the letter k's sound.
It is crucial to notice that the c followed by vowel e does not produce the letter k's sound. Besides, QU can only be preceded by the i and e, and it will sound like a k.
Es su camiseta.
Su is used to show possession of singular objects, in this case, a t shirt, in third person form.
Ríos de donde fueron detenidos y el más grave y el único que le fue de un perro
There are the pencils girl