Answer:
In order to successfully complete this exercise, you have to fill-in the blanks with an appropriate possessive adjective in Spanish, taking into account the hints provided in brackets. <em>Note that you have to pay attention to the gender and number of the nouns to which the possessive adjectives make reference in order to choose the correct one.</em>
Explanation:
<em>Tus</em> (Your, fam.) libros están en la mesa.
Es <em>su</em> (their) nieto.
<em>Nuestros</em> (Our) abuelos son simpáticos.
Es <em>mi</em> (my) primo.
<em>Sus</em> (His) tíos son de Perú.
