Answer: The correct answer would be B
Explanation: Putting in only Hablo would mean something along the lines of I do not speak Flight Attendant
Putting in Hablo a would mean you do not speak to flight attendant
But finally putting in Hablo al would mean I do not speak to the flight attendant, and that sentence makes the most sense out of all of them.
Los pupitres. Hope this helps.
1. ¿ A qué hora <u>comienzan </u> los partidos?
2. Luis <u>volvió </u>de la fiesta a la medianoche.
3. Marcos, ¿ <u>puedes </u>abrir la puerta, por favor?
4. ¿Ustedes <u>almorzaron</u> en la cafetería hoy?
Hope this helps!