28. The teachers have shifted their focus from ________ to how to get to know their students better.
(A) what they should take punitive actions
(B) what punitive actions should take
(C) what punitive actions to take
(D) what can punitive actions take
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統計: A(50), B(96), C(60), D(16), E(0) #1329447
統計: A(50), B(96), C(60), D(16), E(0) #1329447