单项选择题


A．and
B．but
C．so
D．however
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单项选择题
A．managementsB．managerialC．managersD．management
A．managements
B．managerial
C．managers
D．management
单项选择题
A．headquartersB．plantsC．agentsD．subsidiaries
A．headquarters
B．plants
C．agents
D．subsidiaries
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