Try to ________a balance between work and play.
A. move
B. work
C. make
D. keep
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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
Your headaches are due ______stress.
A. at
B. in
C. to
D. for
Can I borrow two books ________a time?
A. to
B. of
C. for
D. at