The first option is the answer
With adding a “s” at the end, for example with the word “sierra” if I wanted to make it plural I would just add a “s” at the end and it makes it “sierras” which is plural and also another is like with “carro” if I want to turn it into plural I’ll just simply add the “s” at the end and now it’s “carros”.
The person has to go to the class, "biblioteca" at 12:25 p.m.
What do you mean if there is an answer already ?
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