We must apply what we have learned to our work because in no case ______ from pr

题干

We must apply what we have learned to our work because in no case ______ from practice.

A．should theory separate	B．theory should be separated
C．theory should separate	D．should theory be separated

上一题下一题 0.85难度单项选择更新时间:2013-06-20 10:23:41

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