for the first page the translation would be (note that i cannot translate perfectly its is what i interpreted)
Carolina and Magdalena came down the steps and found another tunnel. They followed the tunnel on the right side until they reached the main street in Cartagena.
were in town once again. The pirates saw them but they tried to escape. It was night and in the streets there was a lot of hustle and bustle. Popular music was heard everywhere. There were all kinds of music but the one that was heard but was the music traditional Colombian
the second page
To get away from the pirates they climbed onto a bus that was painted in many colors. There was music and dancing inside the bus. The Colombians call these spectacular buses chivas. After a walk they managed to reach the House of the scientific friend
The word which complete the sentence is caminaba.
Yo caminaba por el supermercado cuando me llamó mi madre.
Shopping in Barcelona is something fun.