Answer:
AR Verb Ending Present Preterite
yo -o -é
tú -as -aste
él/ella/usted -a -ó
nosotros -amos -amos
ellos/ellas/ustedes -an -aron
The singular form of los libros is el libro. The reason why we use el is because libro is masculine.
Choose the correct form of the verb in parentheses to complete the sentence..
Pablo y Olivia ___bailan ________________ en la fiesta.