In face of____failure , it is the most important to keep up_____good state of mood .
We’ll only discuss such problems _______ something to do with our own interests.
In the police station, I saw the man from ______room the thief had stolen the TV set.
Jack London, ___________ life had once been very hard, was successful later.
Martin Van Buren was the eighth president of the United States and the first ______native language was not English but Dutch.
We are going to spend the Spring Festival in Guangzhou, ______ my parents and some relatives.