Respuesta:
"Ella ha estudiado matematicas para la prueba de hoy" R=she studied math for today's test
"Nosotros hemos bailado salsa todavia"R=we have danced salsa yet
"El ha llegado al colegia ya"R=he has arrived at school already
"Yo he participado en el concurso de deletreo por 5 años" R=I have participated in the spelling bee for 5 years
