My grandfather, who          the World War Two, likes to talk to us about his experience.

—Have you heard that Tom was given a good beating by his father last night?—He _____ it. He was making trouble everywhere all the time.

— Another cup of coffee?— No, thanks. I think I’d better ______ for the airport immediately.

Before the firemen arrived, the whole building had already been completely _______ in the big fire.

In the 21st century, all nations must take their ________of responsibility for the global safety.