Answer: The difference between the tenses is when you use them. Pluperfect is commonly used in conversation. Preterit perfect is commonly used in formal writing and literature. In most cases, you're going to use the pluperfect.
Explanation: hope this helped :)
Translation: I have 13____
Answer: años
Tengo trece años
( I am 13 year old )
Como anda is like how are you so the right translation is how’s it going
It would be Los granos (grains)
I'm almost sure the answer is like this B,D,A,C,E,G,F