We must ________ the act of cheating ________ a fair competition system.
A．prevent; creating B．stop; to create
C．keep; from creating D．stop; creating
We must ________ the act of cheating ________ a fair competition system.
A．prevent; creating B．stop; to create
C．keep; from creating D．stop; creating
B
根据句意“我们必须阻止这种作弊行为来创造一个公平的竞争体制”可知第二个空格缺少目的状语，故选B项。受思维定势影响，易把此题看成是prevent/stop/keep sb./sth.from doing...句式。