Answer:
1. Tus libros estan en la mesa
2. Es su nieto
3. Nuestros abuelos son simpaticos
Explanation:
I am a native Spanish speaker :D
You can look on goggle for more information but there are the answers
¿Cuándo juegan?
This means when do they play. Putting ellos in the sentence is not necessary.
Why is it in Spanish tho?
