He hurried home, only to find his house __________.

Each member country of WTO must ________ itslaws and regulations and compete on the principle of fairness and cooperation

everyone here, I wish you a pleasant journey back to your country.

Unlike watching TV, reading is a highly active process (过程) _______ it requires attention as well as memory and imagination.

— No, thanks I’m just looking around I’lllet you know if I want anything