You can cut ____________ on the number of ads and still reach more people.
A. down
B. up
C. over
D. about
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I think you may think that present is a series of process undergoing change ______better.
A. for
B. to
C. at
D. by
Try to ________a balance between work and play.
A. move
B. work
C. make
D. keep
They have to ______a limit to the expense of the trip.
A. keep
B. set
C. write
D. read
Drugs can relieve much ________the pain.
A. with
B. in
C. of
D. for