Respuesta :
The answer is:
"With these materials and with the aid of my trowel, I began vigorously to wall up the entrance of the niche."
In Edgar Allan Poe's "The Cask of Amontillado," Montresor persuades Fortunato to drink some wine in the cellar during the carnival. However, he intends to avenge him while his friend is drunk . As a consequence, by the end of the story, Montresor reveals his final purpose to bury Fortunato alive by immurement in the catacombs.