Im not 100% sure but i think it is c
The second answer. Because “sus” is the only one which has the “s” because it is plural. If it would be “nuestro” it should had an “s” like “nuestros hijos son altos” or “tus hijos son altos”
It would entiende is right
3: hablo
4:lleguemos
5: llueva
6: se esfuerzen
7:vayas
