Students are warned ________ in the exam, otherwise they will be severely punished.
| A．to not cheat | B．not cheating |
| C．not be cheated | D．not to cheat |
Students are warned ________ in the exam, otherwise they will be severely punished.
| A．to not cheat | B．not cheating |
| C．not be cheated | D．not to cheat |
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