Answer:
Carlos las tiene.
Ellos van a comprarlos.
Tú las sacas.
Nosotros la hacemos.
Mario y Gabriela están buscándolo.
El no los está esperando.
Explanation:
The word that is replacing the noun needs to match the gender of the word it is replacing. Keys or llaves are feminine, so you use las not los. Also, the word needs to match the quantity. Llaves is plural so we use las, not la.
<em>Answer 1: </em><em>Osvaldo no trajo los libros ni el cuaderno. Estudiaremos el próximo lunes. </em>
Translation 1: Osvaldo did not bring the books or the notebook. We will study next Monday.
<em>Answer 2: </em><em>Julio no trajo el teléfono celular. Me llamará esta noche más tarde. </em>
Translation 2: Julio did not bring the cell phone. He will call me later tonight.
<em>Answer 3: </em><em>Anita y Marco no trajeron suficiente dinero. Irán el banco a sacar más dinero.</em>
Translation 3: Anita and Marco did not bring enough money. They will go to the bank to get more money.
<em>Answer 4: </em><em>No cociné la cena esta noche. Saldremos a comer. </em>
Translation 4: I didn't cook dinner tonight. We will go out to eat.
<em>Answer 5: </em><em>La jefa se olvidó de darme el dinero hoy. Me dará el dinero mañana. </em>
Translation 5: The boss forgot to give me the money today. She will give me the money tomorrow.
<h2><em>Spymore</em></h2>
tu y yo somos amigos (you and me are friends)
ella es bonita (she is pretty)
yo soy inteligente (i'm intelligent)
I DON'T KNOW IF THAT WAS YOUR QUESTION