Answer:
suelo
Explanation:
The floor in Spanish can be:
el piso
el suelo
Since piso wouldn't fit into the blanks, it must be suelo.
Fill in the blanks:
_ _e_o
s u e l o
Answer:
Juan prefers to speak spanish
Don't know if you wanted me to translate it you didn't say.
True, the nosotros form of escribir is escribimos in the preterite tense