(2013·山东，26)Mark needs to learn Chinese________his company is opening a branch in Beijing.
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A
unless
B
until
C
although
D
since
推荐题目
Great changes have taken place in that school. It is no longer it was 20 years ago, it was so poorly equipped.
#69389
A
what; when
B
that; which
C
what; which
D
which; that
China’s New Food Act provides for a food recall system to producers have to stop production their food isn’t up to standards.
#71551
A
that; if
B
where; if
C
which; when
D
when; where
Peter was so excited ______ he received an invitation from his friend to attend the wedding.
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A
where
B
that
C
why
D
when