Hey, could anyone help with this spanish?

What is the phrase decir que used to express in spanish?

Write four complete sentences that tell about places you and your friend go to on the weekend

Choose the correct use of the spanish preposition para in the following sentence. para aprender un idioma bien, hay que practicar fuera del salón de clases. "in order to," followed by an infinitive "to," referring to a destination "by," referring to a deadline intended for a goal or destination