<h2>Right answer:</h2><h3>a. la acera</h3><h3 />
Acera is a feminine and singular noun that translates into sidewalk ans is a a paved path for pedestrians at the side of a road. We use the definite article <em>la </em>because in Spanish definite articles must agree in both gender and number with the nouns they introduce. Therefore:
IN SPANISH:
<em>Los peatones caminan en </em><em>la acera</em>
IN ENGLISH:
<em>Pedestrians walk on</em><em> the sidewalk</em>
Yo: paso tiempo con amigos
tú: pasas tiempo con amigos
el/ella/ud: pasa tiempo con amigos
nosotrxs: pasamos tiempo con amigos
vosotrxs: pasamos tiempo con amigos (might be wrong, idk, that's Spain spanish )
ellxs/uds: pasan tiempo con amigos
yo: patino
tu: patinas
el/ella/ud: patina
nosotrxs: patinamos
vosotrxs: patinamos
ellxs/uds: patinan
I love you
youre cute
thank you
youre welcome
will you marry me
yes yes
Answer: esta, estas, esta, están de viaje
Explanation: