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If (如果) you have problems (问题)，you can ask Tom _____ help.
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to
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on
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for
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in
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 You can see some photos ______ the trip ______ the Internet.
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of; on
B
with; in
C
from; at
D
to; by
Winter holidays will begin _____ January 17.
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in
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at
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on
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for
Can you provide us ____ some information about the kinds of vacations that you canoffer?
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in
B
for
C
with
D
to
They are waiting_____ the bus stop.
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at
B
for
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on
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in
I sometimes play volleyball ______ half an hour after school.
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in
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at
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on
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for