<span>Mi madre miraba la tele cuando mi padre llamó
I hope this helps :) Good luck in Spanish </span>
<span>Yo limpio mi carro.
</span>
Since <em>limpiar</em> is an -ar verb, when you conjugate it into the first person of the present tense, you simply replace the -ar ending with -o.
So, limpiar turns into limpio.
The answer would be 3) Los. The object of the sentence, "boligrafos", is male and plural.
