As a teacher we should try to it to our students how helpful a correct learning method

问题补充：

As a teacher , we should try to it to our students how helpful a correct learning method is .

A. get ; about

B. get ; away

C. get ;across

D. get ; off

答案：

A. get ; about

B. get ; away

(答案→)C. get ;across

D. get ; off

解析：短语辨析。get about四处走动； get away 逃脱，离开get across通过，使……被理解； get off下去，下车。句意：作为一名老师，我们应尽力让我们的学生理解一个正确的学习方法是多么有帮助。故选C。