问题
单项选择题
That radio company is so big that it has a lot of（）in foreign countries.
A.introducers
B.instructors
C.conductors
D.agents
答案
参考答案：D
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That radio company is so big that it has a lot of（）in foreign countries.
A.introducers
B.instructors
C.conductors
D.agents
参考答案：D