How do you study _____ a test? -- I study  _____ making flashcards  
#46579
A
by, for
B
for ,for
C
for , by
D
by , by
推荐题目
__________too much TV isn’t good______our eyes.
#48322
A
Watch; to
B
Watching;for
C
Watch; for
D
Watching; to
Our school is ______ children ______ 5-12.
#50729
A
in; for
B
for; in
C
of; for
D
for; of
______ his mother’s help ,  the little boy can call her ______13635322770
#48154
A
With , on
B
With, at
C
With , about
D
At, with