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—  A Boeing 777-200 plane became lost in communication (失去联系) at midnight       the early morning of March 8th．   —I was amazed(震惊) to hear that.
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A
on
B
in
C
at
D
of
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You can improve your English _____ practicing more.
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A
by
B
with
C
of
D
in
Can you learn English ________ chatting on the Internet?
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A
in
B
with
C
by
D
for
 — Where is Jenny?— She is doing her homework ______ the classroom.
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A
of
B
on
C
in
D
to
Paul told us he wasn’t mad ______ Marcia anymore.
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A
in
B
at
C
on
D
with
Having ________ exercise every day will do great good to your health.      
#47079
A
a lot
B
a number of
C
too much
D
plenty of