<h2>A: A</h2><h3 />
Por cierto means "by the way".
But with the options we have here, I would say <em>by certain</em>.
NO TRANSLATOR | FLUENT SPEAKER | BILINGUAL
Good Luck!
"puso" would be the missing word.
La abuela no puso la leche ni el queso.
translation: The grandma didn't put the milk nor the cheese.
Hi there!
The answer would be A.
Hope this helps :)
