Can you me change the verbs into preterite tense ((i've got up to luego then i need from vamos+ afterwards))

What was the important event between the united states and cuba in 1991? a.assigned clinics b.greater number of tourists c.seizure d.increased import and export flow

30 ! pls it is due complete the following conversation with the correct forms of the verbs ser and estar martin: "! hola berta! ? como (" berta: "bien, gracias. oye, (2) muy guapo" martin: "gracias. voy a una fiesta berta: "? si? ? donde ( la fiesta? " martin: "en la clase de lorena" berta: "? quien ( lorena? " martin: "lorena ( la prima de carlos. ella ( en nuestra clase de computacion. ( de la republica dominicana" berta: "( la chica alta, delgada y moreno ? verdad? " martin: "si. ? quienes ir a la fiesta? " berta: "no, gracias. ( ocupada"

What two types of verb is venir? regular and stem-changing transitive and stem-changing irregular and stem-changing irregular and compound