There was ___ knock on ___ door. I opened it and found __ small dark man in ___ rags.
The bridge built ten years ago _____ the island _____ the mainland.
It is often ____ that human beings are naturally equipped to speak.
—Could I use your dictionary? —Sorry, it __________.
At the sight of her mother,the surprise in her face was ____ by joy.
___________ and I’ll get the work finished.