The answer is B. un cuaderno
Answer:
Ventajas: viaje rápido y fácil de un estado a otro / de un país a otro
Desventajas: mucha seguridad, mucho tráfico
Explanation:
Advantages: fast and easy travel from state to state/country to country
Disadvantages: heavy security, lots of traffic
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!
