You can change your job, you can move house, but friendship is meant to be       life.
#25200
A
of
B
on
C
to
D
for
推荐题目
His job at the hospital did not pay much, so he found another _____.
#28357
A
on the rise
B
on the spot
C
on the decline
D
on the side
Theory is based on practice and ________ serves practice. 
#27483
A
in turn
B
by and by
C
by chance
D
in this case