补全短文
prose fingerprints intensity A. I won't detect a polished piece of 【T7】______ B. With a certain excitement and 【T8】______ C. Writers have styles like 【T9】______ "I promise. " " I swear to you it'll never happen again. " "I give you my word. " "Honestly. Believe me. " Sure, I trust. Why not? I teach English composition at a private college. 【T10】______, I read my students' essays, hoping to find the person behind the pen. As each semester progresses, plagiarism (剽窃) appears. Not only is my intelligence insulted as one assumes 【T11】______from an otherwise-average writer, but I feel a sadness that a student has resorted to buying a paper from a peer. 【T12】______and after several assignments , I can match a student's work with his or her name even if it's missing from the upper left-hand corner.