Answer:
Ella siempre ve los aeroplanos aterrizar en el aeropuerto.
Explanation:
At the time of completing a sentence, it is important to identify the person, the gender, the number and the time in which it is raised, that way we are facilitated how we can conjugate the verb within the sentence.
The answer is b. hayan because haya refers to a single person and hayas refers to a person whos taking to another person.
