Answer:
En cuanto llame a la policia el ladron "desapareció"
Explanation:
The question asks you to conjugate the verb "ser" for first person singular (yo).
The correct form is: :"soy"
The full sentence:
Yo soy alta.
The full paradigm of "ser" is:
yo soy
tu eres
el/ella es
nosotros/nosotras somos
vosotros/vosotras sois
ellos son
A) Nos vestimos temprano.
I think this could help u i'm not sure about the last part but that's how it goes according to me lol