Question

match the demonstrative phrases on the left to their english translation on the right.

those books
that backpack
these glasses
this bag

estos vasos
esa mochila
esta bolsa
aquellos libros

Explanation:

Translate "estos vasos"

"Estos" is the masculine plural demonstrative adjective for "these", and "vasos" translates to "glasses". Thus, "estos vasos" matches "these glasses".

Translate "esa mochila"

"Esa" is the feminine singular demonstrative adjective for "that" (at a moderate distance), and "mochila" translates to "backpack". Thus, "esa mochila" matches "that backpack".

Translate "esta bolsa" and "aquellos libros"

"Esta" is the feminine singular demonstrative adjective for "this", and "bolsa" translates to "bag". Thus, "esta bolsa" matches "this bag".
"Aquellos" is the masculine plural demonstrative adjective for "those" (far away), and "libros" translates to "books". Thus, "aquellos libros" matches "those books".

Answer:

Spanish Phrase	English Translation
esa mochila	that backpack
esta bolsa	this bag
aquellos libros	those books