<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>
Answer: people: personas
reason: la causa, razonar
time: hora, El tiempo
description(how):descripción, la calificación
Explanation: Now , i am not 100% sure this is right for there are many ways to say these words and i am El Salvadorian and i don't speak much but my mom does but she is not with me right now so if something(or all) is incorrect i am incredibly sorry.