This is a word search
8th grade, pls show the editing

Fill the blank with a la, a las, a los, or al. carlos no en el parque.

Okay so i'm taking an online spanish course (penn foster), and in the study guide, you have to create a bunch of sentences with words you've learned so far. translating, reading, and those kinds of things are fairly easy, but when it comes to making my own sentences, my brain just kinda waltz's away. anyone got any tips?

Mi libro favorito es paula de isabel allende. hace un año. a. la leí b. las leímos c. lo leí d. los leo