Plural Forms and Indefinite Article in Spanish

Write: La mochila in plural form

Write: el cuaderno in plural form

Write: el lapiz in plural form

Write: el borrador in plural form

Write: el papel in plural form

Write: la pizarra in plural form

Write: la silla in plural form

Use un/una: el boligrafo

Use un/una: la carpeta de argollas

Use un/una: el diccionario