Which of the following could be classified as contract cheating? (select all answers that apply)多项选择题

posting exam or assignment questions on online “homework help” sites

paying a private company to coach you on how to complete a specific assignment or exam

asking a partner, friend or family member to write part or all of an assignment for you

buying a completed assignment from a ‘tutoring’ company, or a ghost-writing company/essay mill

forming a private study group with fellow students in your course