Anteayer paseamos por los del parque

Explanation:

The exercise consists in completing the sentence, filling in the blank:

And there is a word bank:

This is the translation of every part of the sentence:

            ↑                                         ↑                       ↑                      ↑

the day before yesterday         we walked     through the       of the park

And this is the translation of the words in the word bank:

Commonly parks have gardens, while the other adjectives do not describe common parts in a park. Thus, the correct choice is "jardines".

The complete sentence is:

you are a (