Singular, masculine, indefinite
What is... Un?
The cat
What is... El gato?
La galleta
What is... The cookie?
A table
What is... La mesa?
Un libro
What is... A book?
Singular, feminine, definite
What is... La?
The house
What is... La casa?
El avion
What is... The airplane (or plane)?
A dog
What is... Un perro?
Una hamburguesa
What is... A hamburger?
Plural, feminine, indefinite
What is... Unas?
The mice
What is... Los ratones?
Las mesas
What is... The tables?
Some cars
What is... Unos carros?
Unas manzanas
What is... Some apples?
Plural, mixed group, definite
What is... Los?
The hamburgers and french fries
What is... Las hamburguesas y papas fritas?
Los lapices y libros
What is... The pencils and books?
Some cookies and milk
What is... Unas galletas y leche?
Unos perros y gatos
What is... Some dogs and cats?

What is... The Spanish Revolution?
The boys
What is... Los chicos?
Las Chicas
What is... The girls?
Some girls
What is... Unas chicas?
Unos chicos
What is... The boys?