A library with five thousand books ______ to the nation as a gift.
After teaching in Bejing for five years, he returned to the small town ________ he grew up as a child.
He devoted all his life to ________ those who are suffering from cancer.
Gone are the days ________ China was called “a Sick Man of East Asia”.
—— Do you know our town at all?—— No, this is the first time that I ____ here.
The manager insisted that the work ____ finished by the end of this month.