问题
选择题
Mark needs to learn Chinese ______ his company is opening a branch in Beijing.
A．unless
B．until
C．although
D．since
答案
答案：D
题目分析：句意：马克需要学习汉语，因为他的公司正在北京开一个分公司。A除非；B直到；C尽管；D因为。故选D。
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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
答案：D
题目分析：句意：马克需要学习汉语，因为他的公司正在北京开一个分公司。A除非；B直到；C尽管；D因为。故选D。