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—Can you help kids ____________ swimming? —Yes, I can.
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with
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by
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for
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of
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Project Hope has built many schools ________ big classrooms and libraries.
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in
B
of
C
for
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with
--When will Mr. Black come to Beijing? --________ the morning of September 5th.
#50839
A
In
B
On
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At
D
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It is very difficult      the little boy      carry the big box.
#48388
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of; for
B
to; to
C
for; to
D
by; for
I’m standing on the Great Wall of China and talking _______ you.
#49657
A
in
B
on
C
to
D
for
Mr. Brown buys some pens and notebooks _______.
#48092
A
for we
B
for us
C
to we
D
to us