Estan Caminando isn't the answer as because "estan" implies to be another person, but this isn't the case as it's only the man, the man isn't walking (caminando either)
He isn't shopping (comprando) and he isn't painting (pintando)
The only logical answer is he's cooking (cocinando) which is also heavily implied as him having the bowl and whisk
B.) Esta Cocinando is your answer
The answer is son because son means are
1. cantaron
2. escribió
3. hablamos
4. empezó
5. bebiste
6. empiezo
7. pagó
8. juegan
9. buscas
Smh
he says to the minister
We can not find our keys - No podemos encontrar nuestras llaves
My sister's computer is broken - La computadora de mi hermana esta rota
I have no more milk - No tengo mas leche