My aunt has worked in a clinic ____2008.
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A
after
B
before
C
till
D
since
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In those days, we had no phones, so we have to keep in touch _________ writing often.
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A
with
B
of
C
on
D
by
.Fifty-two miners were killed in the accident. ______ , thirty-six were missing.
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A
In addition
B
On the other hand
C
On this occasion
D
In brief
In view of the worsening environment, the local government is seeking advice from Professor Smith, who is an expert ______ it.
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A
within
B
for
C
on
D
beyond
Her previous experience makes her have a big advantage _______ the other applicants
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A
over
B
of
C
than
D
to