I think it is Desierto.If not please tell me. :) but I'm pretty sure it is
El is singular and masculine and los is plural and masculine while la is singular and feminine and las is plural and feminine.
I hope you have the idea now.
In Spanish all things have a gender is a little confusing.
Answer:
I THINK it might be all of the above, because none of those are past tense. I'm not sure though, don't count on me.
Explanation:
