1.The man in the corner confessed to _____ a lie to the manager of the company.
        a.have told
        b.be told
        c.being told
        d.having told
        2.Although punctual himself, the professor was quite used________ late for his lecture.
        a.to have students
        b.for students’ being
        c.for students to be
        d.to students’ being
        3.As early as 1647 Ohio made a decision that free , tax--supported schools must be established in every town_______50 households or more.
        a.having
        b.to have
        c.to have had
        d.having had
        
        1.d
        confess to doing 这里to是介词，后面是a lie所以不用被动。
        2.d
        be used to doing sth . studets’ 放在being的前面做逻辑主语。
        3.a
        分词做定语修饰town.