Answer:
tienen
Explanation:
The chart for tener is:
Tener is a boot verb with stem change of e to ie
Yo-tengo. Nosotros- tenemos
Tu- tienes. Vosotros- teneis
El/ella- tiene Ellos/ellas tienen
Answer:
Hay algo en el agua.
Alguien está contento con la situación.
Esto durará para siempre.
Explanation:
There is something in the water.
Someone is happy about the situation.
This will last forever.
Colegio, not sure what options there are but school seems it would fit best.