Which of the following undergoes a stem change in the preterit

Cambia el verbo al presente perfecto. change the verb to the present perfect. (clue: there are two parts to the verb) you may copy and paste the accented and special characters from this list if needed: á, á, é, é, í, í, ó, ó, ú, ú, ü, ? , ? , ? , ? juan -2 palabras) el valet para el servicio de maletas.

Which sentence contains a completed action? when i was a child there was a fair in my town every year. i won a prize at the fair last year.

An angle is formed by the union of twolinesline segmentsplanes