Q1: cuera
Q2: cierre
Q3: ¿Viste aquellos coches?
Hope this helps and have a great day
B. Ellos son.
Explanation:
Ellos translates into a masculine or mixed-gendered “They”. Son just means are.
Nosotros is out because it’s like a “we” and same goes for vosotros.
Es means is more than it means are.
Estos means these.
1. B, a, b
2. Que, buenos, estas, buenas, usted, bien
3. Amigo, amigo, senorita, senorita, senorita