<h2>Cambia el verbo en negrita y escríbelo en el presente perfecto. Change the verb in bold and write it in the present perfect.</h2><h3><em>Mariana, ¿nunca viste (2 palabras) las ruinas de Machu Picchu?</em></h3>
Answer : Mariana, ¿nunca has visto las ruinas de Machu Picchu?
Translation : Mariana, have you ever seen the Machu Picchu ruins?
Hope this helps!

Answer:
Tengo.
Explanation:
Yo __tengo__ quince años.
Hi! your answer: Hola! Me llamo (your name) y tu?
<h3>Possessive adjectives in Spanish are written as follows:</h3>
Answer
In Spanish the possessive adjectives are those that modify the noun by adding an idea of belonging or possession.
Unlike in English, in Spanish, possessive adjectives agree in number and gender with the noun of the possessed thing and not with the owner or possessor.
<h3>List of possessive adjectives of a single possessor:</h3>
First person:
mi, mío, mis, míos
Second person:
tu, su, tuyo, tus, sus, tuyos, suyos
Third person:
su, sus,
<h3>List of possessive adjectives of several owners:</h3>
First person:
nuestro, nuestra, nuestros, nuestras
Second person:
su, vuestro, vuestra, sus, vuestros, vuestras
Third person:
su, sus