Choose which definite article matches each of the following nouns.

computadoras libro relojes mesa
el
computadoras – el
libro – el
relojes – el
mesa – el
la
computadoras – la
libro – la
relojes – la
mesa – la
los
computadoras – los
libro – los
relojes – los
mesa – los
las
computadoras – las
libro – las
relojes – las
mesa – las

Note: In Spanish, nouns are grammatically gendered. The definite articles "el" and "los" are used with masculine nouns, while "la" and "las" are used with feminine nouns.

el - libro
la - mesa
los - relojes
las - computadoras

el

computadoras – las
libro – el
relojes – los
mesa – la

To determine the correct definite article (el, la, los, las) for each noun (computadoras, libro, relojes, mesa), you need to consider the gender and number of the noun.

1. computadoras (computers): Since "computadoras" is a feminine noun in its plural form, you would use the definite article "las." Therefore, it would be "las computadoras."

2. libro (book): "Libro" is a masculine noun in its singular form. So, you would use the definite article "el." Therefore, it would be "el libro."

3. relojes (watches): "Relojes" is a masculine noun in its plural form, so the correct definite article would be "los." Therefore, it would be "los relojes."

4. mesa (table): "Mesa" is a feminine noun in its singular form, so the correct definite article would be "la." Therefore, it would be "la mesa."

To summarize:
- computadoras (feminine plural): las computadoras
- libro (masculine singular): el libro
- relojes (masculine plural): los relojes
- mesa (feminine singular): la mesa