问题
选择题
I think it ______ that one have a good command of English if one wants to be engaged in
international trade. [ ]
A. useful
B. a must
C. essential
D. vital
答案
答案：C
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I think it ______ that one have a good command of English if one wants to be engaged in
international trade. [ ]
A. useful
B. a must
C. essential
D. vital
答案：C