问题
选择题
With our knowledge ________ practice, we can make contributions to our society.[ ]
A．to base on
B．basing on
C．based on
D．base on
答案
答案：C
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With our knowledge ________ practice, we can make contributions to our society.[ ]
A．to base on
B．basing on
C．based on
D．base on
答案：C