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Whenever you meet with difficulties, you can ask the policeman ____help.
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A
at
B
in
C
for
D
with
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I do not eat sweet snacks ________ meals.
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in
B
on
C
of
D
between
---What’s the matter _______ Tom?   ---He has a high fever.   
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to
B
with
C
and
D
for
Do you often spend half an hour       your homework every day?
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A
for
B
in
C
at
D
On
 The Qingming Festival of this year falls_______ 5th April and thousands of cars poured into high ways_______ the early morning of the holiday.
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on; in
B
in; on
C
on; on
D
in; in
 —Oxfam trailwalkers in Hong Kong have to climb________ twenty hills and mountains. —It’s really a tough hike.
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A
through
B
around
C
over
D
along