81.  Though the textbook was really boring, he managed to introduce some useful knowledge and new ideas.

82.  "He seems to be a good teacher, " whispered a girl behind me, "hey, are you still gonna skip the class next time as you planed? "

83.  I know he's good, I just don't like the course.

84.  I suddenly felt like that no matter how hard this poor teacher tried, he can hardly squeeze out of the net of "stereotype".

85.  It was obvious that he'd lose more students next time.

86.  There's nothing he could do to invert the stereotype, and neither could we.

87.  He stood there with loneliness, and all we could give him was sympathetic stare.

88.  What we could do is to fairly judge a student for characteristics that set him apart as an individual.

89.  He cleared his throat and stopped talking for a while.

90.  " he ended his word in a light tune with a cold smile.