Escoge la forma correcta de presente progresivo para el verbo.
en el parque, hay muchas personas que (correr).
question 17 options:
está corriendo
está correndo
están corriendo
están correndo

Calcula la concentracion de hidronio en la lluvia ácida si el ph es 4.35

Describe a situation where you heard another language being spoken. did you know what language it was? were you able to understand what you heard? write a four- or five-sentence paragraph, in english, that describes this experience. write in english.

Question 10 (fill-in-the-blank worth 1 points) susana cruza la calle en el paso de answer for blank 1: