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I had a really hard time _____studying science this term.
#50712
A
to
B
with
C
in
D
on
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—Do you know that our school has been named Green Olympic Demonstration School?—Yes. We are all excited ___________ that.
#48115
A
at
B
for
C
about
D
with
Mary sits in front of Kate, so Kate is _____ Mary.
#48293
A
over
B
beside
C
behind
D
under
He said he agreed ___ me. 
#46586
A
to
B
with
C
on
D
at
 Amy goes to school ________.
#48285
A
by a bike
B
on bike
C
on her bike
D
ride a bike
 Mary is beautiful ,but she has few friends .______ ,being beautiful doesn’t meaning being liked.
#49151
A
Above all
B
That is to say
C
For example
D
On the other hand