Look! The traffic light has turned red. We _____ stop our car.
A:can
B:can't
C:must
D:mustn't
学生丁某在暑期参加社会实践,由于涉世不深,被传销团伙所骗,从事非法活动,后被司法部门依法处理,丁某后悔不已。这说明我们亲近社会要学会
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