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It is very difficult      the little boy      carry the big box.
#48388
A
of; for
B
to; to
C
for; to
D
by; for
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---How long have you lived in the new flat?---________ 2010.
#47813
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In
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#46125
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on
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in
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#47322
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at
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#47189
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As soon as
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As long as
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#46175
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on
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along
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with