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”.
1. Clara no es cubana
2. Yo soy abogada
3. Tú eres secretaria
La pelota. It is the only one that is not used to play with a ball. It itself is the ball.
I can guarantee you this is the answer.
