For this case what we must do is fill in the blank with the correct conjugation of the following verb:
For this, we must keep in mind two things:
1) We are referring to the first person plural.
2) We assume that the sentence is in the present simple.
Therefore, the complete sentence in Spanish is:
Mis hermanos y yo barremos el suelo.
Answer:
Mis hermanos y yo barremos el suelo.
B. barremos
