I think the answer would be incorrect
Answer: 10.fue, 11. fueron 12. fueron 13.fui 14.fue 15.fueron 16.fuimos 17.fue 18.fueron 19.fueron 20.fuimos 21.fuimos 22.fueron
Explanation:
I Speak fluent Spanish and I have also been taught on the past present future tense of Fue.
HABIA
TENIA
CAMINABA
LLEVABA
ELABORADA
Hey!
While both are often used, the most accurate answer is probably answer a:
The "personal a" is necessary.
Why?
Well, when we say: "Quiero a mi esposo Jorge" we are talking specifically about the husband, that is: "lo quiero a él". Therefore, the "a" is usually used on these occasions.