"I had an idea that he might, and I took the liberty of bringing the tools with me." He opened the Gladstone bag as he spoke, and took out, to my astonishment, a very large bath-sponge.
Se me ocurrió que podría necesitarlo y me tomé la libertad de traer el instrumental necesario ––mientras hablaba, abrió la maleta Gladstone y, ante mi asombro, sacó de ella una enorme esponja de baño.