I prefer ______ at home to ______ outside.

The detective, _____ to be reading a newspaper, glanced at the man ______ next to a woman.

——What’s the matter with Tim?——Oh, Tim’s cellphone was left in a taxi accidentally, never ____ again.

He glanced out of the window，______ that the post office was still closed.

---  Why do you want the book? ---- _________, sir.