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Alice learned the news _________ TV that a Chinese student was killed in Boston marathon blasts.
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A
on
B
for
C
with
D
about
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--Where is the dog?---It’s_______the chair.
#47224
A
of
B
at
C
for
D
under
When he walks ______ my desk, he often knocks my books off the desk. 
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A
passed
B
past
C
passing
D
across
Millie always has bread and milk __________breakfast.
#49603
A
for
B
on
C
to
D
in
It’s necessary ______ us to keep our pets clean everyday.
#51110
A
of
B
for
C
with
D
between
Where did Vera go __________ vacation?
#47239
A
in
B
on
C
at
D
of