When talking to people within your company don’t speak your language， you may have to use English.（）
A:who
B:which
C:whose
出自：国家开放大学《商务英语(3)》
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When talking to people within your company don’t speak your language， you may have to use English.（）
A:who
B:which
C:whose
出自：国家开放大学《商务英语(3)》