He has limited himself ______ 2,200 calories per day to try to keep fit.
[ ]
A. in
B. for
C. to
D. on
B. for
C. to
D. on
Dorothy works very hard;she shows a very positive attitude______her work.
[ ]
A.to
B.with
C.of
D.about
B.with
C.of
D.about