Answer:
Think about it like male and female articles.
Explanation:
If the word ends in a then the answer will be "la". That's the female article. If the word ends in o then the answer will be "el". That's the male article. "Los" is also a male article and "las" is also a female article. Those are the basics of Spanish articles.

STUDYING
<h3>hope it would be helpful </h3>
I believe the answer you are looking for is "repitieron". Since it is the past tense verb for "they or ellos".
Translates to:hows the climate today? today raining