How to say hello in spanish

Will give brainliest to who ever answers right first select the word from the list that best fits the definition to prepare: cantar escuchar prestar atención enseñar preparar

Fill the blank with a la, a los, a las, or al. los alumnos .

Choose the answer that best relates to the class or field of study listed below la quimica a. la informatica b. la educacion fisica c. las ciencias sociales d. las ciencias