Solid, liquid, gas ^^
For example, if you have an ice cube you have a solid piece of matter, but if you heat it up it melts and then it's liquid, and after getting hot enough it evaporates and even though you can't see it it's still there, but as a gas.
By the way, what's this have to do with Spanish?
Answer:Cada jugador de tenis tiene su<u> raqueta</u> juegan <u>singles </u> no <u>doubles</u>
juegan en una<u> cancha de tenis </u> no cubierta. Cuando juegan tenis la <u>pelota </u>
tiene que pasar por encima de la <u>red </u>
Explanation:
13. Tú repites
14. Ella compra
15. Nosotros ocurrimos
16. Yo ando
17. Ustedes beben
18. El deber
19. Usted llama
20. Ellas viven
21. Ellos creen
The conjugation for the underlined word is ser
