What do "quisiera", "me trae", and "me gustaría" all have in common when it comes to asking a waiter or waitress for something? A. they have nothing in common
B. they show dissatisfaction in the food served
C. they are stem-changing verbs
D. they can be used interchangeably

Giving 20 points! explain why i is said that the sun never set on the spanish empire.

What is the difference between "conocer" and "saber"? use each verbs in a sentence in spanish.

Hola, mario: yo (1) (estar) en la universidad. la clase de anatomía (2) (ser) de cinco a siete. mi hermano y su esposa (3) (venir) a cenar esta noche. a las siete (yo) (4) (blank) (correr) al supermercado (grocery store). tú (5) (blank) (tener) que regresar a casa antes de las siete. hasta pronto. gracias, valeria