those are all definite but los and las are plural for "the".
Answer:
B. Limpia
Explanation:
I think it's "Limpias" because the second person in singular is "Tú" and its termination is -s so "limpiar" would be "limpias"
b
Consigan
Dudo que ellos
consigan
llegar a tiempo.
<em><u>pyramid</u></em>
pirámide = pyramid
Hope this helped! :)