What change should be made to the sentence below? when she saw her brother at the airport she ran to embrace him.
a. add a comma after airport b. add a comma after when c. add a comma after saw d. add a comma after ran

The answer is A, add a comma after airport. The best way to figure out questions like this is to read through the sentence and input the different suggestions.

mi hermana "sabe" bailar salsa. "conoces" tu el monumento la mitad del mundo? raul y yo sabemos al profesor de matematicas.

translated: my sister "knows" how to dance salsa. "do you know" the monument half of the world? raul and i "know" the math professor.

i think the answer is restaurants offering only dinner