问题
选择题
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
答案
答案：D
题目分析：句意：学生们被警告在考试中不要作弊，否则他们将被严厉惩罚。warn sb not to do sth ,变为被动结构为 be warned not to do sth ,被警告不要做某事，根据句意，故选D。