Answer:
If your talking about number 3 I would say el saco de dormir.
Explanation:
El saco de dormir means sleeping bag and the senetnce says "I'm going to take __________ so I sleep more comfortable"
I'm not exactly sure what you're asking, but I'll try.
The answer is "compro" because it's past tense. I should know, I speak both Spanish and English.
Answer:
La bandera es roja, azul, y blanca. Tiene una franja roja en el centro entre dos blancas y a cada una de las cuales les sigue una azul.