Answers In bold and underlined
1. Los niños no atravesaron la calle solos.
Translation: The children did not cross the street alone.
2. El portero cerró las puertas.
Translation: The porter closed the doors.
3. Yo soñé con unas vacaciones en la playa.
Translation: I dreamed of a beach vacation.
4. El perro no mordió al niño.
Translation: The dog did not bite the child.
5. Tú encendiste la luz del patio.
Translation: You turned on the patio light.
6. Roberto y yo no pensábamos jugar al tenis esta tarde.
Translation: Roberto and I weren't planning on playing tennis this afternoon.
7. Yo calenté la sopa.
Translation: I heated the soup.
8. Tú devolviste el regalo a la tienda.
Translation: You returned the gift to the store.
9. Ustedes empezaron a ahorrar dinero.
Translation: You started saving money.
10. Nosotros no probamos la comida japonesa.
Translation: We did not try Japanese food.
11. Los soldados defendieron a la patria.
Translation: The soldiers defended the homeland.