41.  They keep earnest all the time in class.

42.  We glanced at him several times, intentionally or unintentionally, as if to learn some experience from him.

43.  At this time, a tall girl wearing horsetail strode and passed by us with a light suitcase.

44.  Many times, these fixed modes are not always right in reality.

45.  So some students just skipped the class at the beginning for fear of "wasting time".

46.  "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? "

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

48.  We establish our own circle and stereotypes which at the same time fixes our thinking mode.

49.  Be punctual next time.

50.  Most of people suppose that pretty girls always tend to spend more time in dressing up, shopping, and dating instead of learning.