Spanish home work please help fast

What is the main idea of this audio passage? transportation in latin america . where is this conversation most likely taking place? en la casa what advice is given to joel? don't fall in love with margarita. what is this person doing? giving directions to the university. what is david's problem? he wants to exercise more but he doesn't have time. these are all the right answers on edge spanish2 someone answer to keep the question

Mi hermano espera que el tren a tiempo. a. llegas b. llega c. llegue d. llegues

Profesor: para la clase de historia mañana, por favor la lección sobre la guerra mundial. a. leo b. lee c. lean d. lea