高等继续教育 / 专科英语I
正确率:100%
题型描述: 单选题
One of our _ _ _ _ _ _ is to always use the material of the best quality.
A. forms
B. principles
C. logic
D. theories
One of our _ _ _ _ _ _ is to always use the material of the best quality.
A. forms
B. principles
C. logic
D. theories
参考答案: