Mi abuelo no es joven. Es viejo.
Do you want the translation or what does están de acuerdo means?
Answer:
The right answer is, B. Más vale pájaro en mano que cien volando.
Explanation:
Because according to the context of the previous conversation, this proverb means that it is better to earn a little money that is yours and that you can dispose of it, than to earn nothing by waiting for something that may not reach your hands.
6.C , 7.A , 8.A , 9.C , 10.C