Write: Escribe falso o cierto

There are only two definite articles: el, and la

(a)  

Escribe falso o cierto

There are four definite articles: el, la, los, las

(a)  

Escribe: falso o cierto

There are only two indefinite

(a)  

Write: cierto o falso.

There are only four indefinite articles: un, una, unos, unas.

(a)  

Escribe: cierto o falso.

Un means both a and one, when used before a masculine noun.

(a)  

Escribe cierto o falso.

When referring to a specific noun, use the indefinite article.

(a)  

Escribe cierto o falso.

Una means both a and one when used before a feminine noun.

(a)  

Escribe cierto o falso.

You choose the form of the article by whether or not the noun it introduces is masculine or feminine, singular of plural.

(a)