B. Digo
You siempre digo que hay que reciclar.
The only thing i would change is the word “ir” into the word “vaya.” it’s grammatically correct. besides that you did a fantastic job!
C it’s estudies because the other ones don’t make sense
3) te
4) la mochila es de el niño
5)a vosotros os gustan comer mariscos
