He opened the window in his room only at night and kept the doors carefully shut.
Finally, Petrescu came back in and carefully shut the door behind him.
He jerked his arm free and carefully shut the door behind him.
With that, she went inside the villa and carefully shut the door behind her.
Grace didn't look particularly reassured, but she carefully shut her mouth.
He went up to his room, carefully shutting every door after him.
He shut the door carefully behind him as she tried to figure out who, or what, he was.
He returned to the central building, and shut the door carefully behind him.
He shut the door carefully behind him, then looked up at the ceiling.
With that he left the room, carefully shutting the door behind him.