摘要： his company is opening a branch in Beijing, Mark needs to learn Chinese. A. Unless B. Until C. Although D. Since
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Mark needs to learn Chinese________his company is opening a branch in Beijing.
(2013·山东，26)
A．unless? B．until
C．although? D．since
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Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
A. unless B. until C. although D. since
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Mark needs to learn Chinese _______ his company is opening a branch in Beijing.
A．unless B．until C．although D．since
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