Spanish settlements still existent till this day

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?

Write the correct pronoun. 7. mi hijo baña por la noche. (my son takes a bath at night.)

Qué me recomiendas usar para evitar quemaduras de sol en un día de playa?