To smoke a cigarette after meals seems to him a habit _________.

—Have you seen my English dictionary?—I put it right here just now, but now it’s nowhere ______.

Andrew wanted to find another boy to be his best friend, but Annie told him ___.

After her son died in a car accident, the old lady would sit at the window, ______ out and _______ in thought.    

_______ in thought, he almost ran into the car in front of him.