There is no doubt _________ the world climate has been changing in recent years.
#32547
A
that
B
what
C
if
D
whether
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I don't believe we've met before, I must say you do look familiar.
#31670
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therefore
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although
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The job is open to all, their previous experience.
#79961
A
apart from
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as a consequence of
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#80553
A
before
B
if
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while
D
as