Part 1.
Number 1. Nosotros.
Number 2. Ellas.
Number 3. Ella.
Number 4. Tu.
You are using "SER" which is the to be. I have to go but I wish I can help with the second. Bye!
Answer:
I guess something really bad is happening and we still in 2020.
Well i think is c) llenar
Answer:
cuál cuadro :v no hay cuadro