题干

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

A:should theory separate

B:should theory be separated

C:theory should separate

D:theory should be separated

上一题 下一题 0.0难度 选择题 更新时间:2018-03-11 12:01:38

答案(点此获取答案解析)

B