—How do you study____ a test? --I study____working_______my classmates.
#46667
A
for , in , with
B
for, by, at
C
for, by, with
D
of, in, by
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 Don’t read     .It’s bad for your eyes.
#45778
A
in the sun
B
in sun
C
under the sun
D
under sun
---We think it is wrong ______ him ______her copy the homework.  
#48512
A
of; to help
B
for; to help
C
of; helping
D
for; helping