--- Are you familiar _______ the music?--- Yes. The music is very familiar _______ me, but I can’t remember when and where I heard it.
He________that he could finish the job without any help.
We heard an explosion and________for cover.
China is one of the largest countries in the world,________9.6 million square kilometres.
Robert is said________abroad, but I don't know what country he studied in.
________down the radio—the baby's asleep in the next room.