According to the context, the correct prepositions to complete each sentence are:
What are prepositions?
They are a certain invariable type of words, of entirely grammatical meaning, whose function within the sentence is to express the relationship between two or more words or terms.
The correct preposition to fill the sentences is the following respectively:
- Viajé a Guatemala por avión.
- Fuimos a Managua por dos semanas.
- ¿Hablaste con el agente para planificar el viaje a Portugal?
- Compré una guía turística para Óscar en la agencia de viajes.
For example, the preposition "para" is an invariable word that constitutes a type of link to indicate purpose, direction, proximity, time limit, in the sentence "¿Hablaste con el agente para planificar el viaje a Portugal?", "para" is used to indicate purpose.
Therefore, we can conclude that according to the context, prepositions have the syntactic function of joining words or phrases within a statement.
Learn more about prepositions in Spanish here: brainly.com/question/18727385
