Answer: To develop secondary characters and story lines
Explanation: Although it might be wrong... all of the answer choices could be right depending on how you look at it. Depends on the author really.
Los alumnos estudiaban para el examen.
Imperfect for -ar verbs:
aba ábamos
abas abais
aba aban
** Remember, there are not irregular ar verbs in the imperfect tense!
Answer:
An iron rod is a good conductor, or mengkonduksikan, of electric currents.
