Hello!
"El árbol es ______", translates to "This tree is ______." Since we are given two choice, suyo and suya, one of the them is obviously feminine and ther other is masculine.
Since "el árbol" is masculine, we use the possessive word, "suyo", meaning "yours".
Therefore, el árbol es suyo.
Los muchachos juegan al futbol los sabados.
Answer:
la primera creo
tu fuistes a España una vez cuando tenías ocho años
