Answer:
1 Nuestros
2 Su
3 Sus
4 Mi
5 tu
Step-by-step explanation:
SO the first sentence says that my brother and I arrived to the house of _____ parents, so it would have to be Nuestros, since that is our, then the secon is Monica necesita --- backpack, so the option would be SU or her, the third one is RAmon searches for ---- notebooks, and the option is His or "sus" remember that in spanish Su is his or her for a singular thing, and sus is her or his for plural, I call over the phon to---- friend, the correct option would me my-mi, and the last one is You go back to ---- apartment, the correct option would be your-tu, remember that the difference between you and your in spanish is the accent mark, Tú is you, tu is your.