The answer is the first one , nos preocupan
Answer:
I believe it would be
Las.
Explanation:
If Los is wrong, (then it probably feminine) meaning it's Las for plural.
Answer:
Estamos
Explanation:
we are, it is the verb to be for more than two people, here reference is made for a feeling of fatigue, they can also be used, but it would not make sense because it indicates that karen and that person are tired, not only karen is tired
