.We need to strike a ______ between the needs of the country and the rights of the individual(个人).
We are waiting ______ for your absence.
With little knowledge about the area he succeeded ______ many researchers failed.
A very beautiful scene spreads in front of the mountain, at the foot of which ______.
What was unexpected was that the disrespectable fellow ______ the old man.
I wonder whether the police ______ that lost child or not