The correct answer is the third one. "HAY muchos problemas en el mundo."
Spanish False Cognate Actual English Definition alternitivecontestar to answer contender = to contestconveniente suitable práctico = convenientla copa glass, goblet; trophy la taza = cup
The answer is Estudie. Hope this helps
Yo-Estoy,
Tú-Estás,
Él/Ella-Está,
Nosotros-Estamos,
Ellos/ellas- Estan