河南成教 / 商务英语
[单选题]
In （ ）,the use of first names is restricted to close friends and colleagues who have known each other for a long period of time
A.China
B.Austria
C. Japan
D. Finland
In （ ）,the use of first names is restricted to close friends and colleagues who have known each other for a long period of time
参考答案：
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