I believe the answer you are looking for is "repitieron". Since it is the past tense verb for "they or ellos".
Un catarata is a waterfall, so I'd say TRUE
If you know another language other than English it will benefit you by:
1. High salary
2. Knowledge
The thesis, body paragraph and the conclusion
Answer:
I’m not sure if I’m right but I think it’s D
Explanation: