Answer:
1. Rojos
2. Rojo
3. Rojas
4. Roja
Step-by-step explanation:
In Spanish our adjectives must match number and gender wise. You know the gender by either memorizing or by knowing the endings.
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Los labios (Masculine Lips) PLURAL
El Ojo ( Mascine Eye) SINGULAR
Las Lenguas (Feminine Toungs) PLURAL
La Nariz (Feminine Nose) SINGULAR