41.  I am not you and don't know much about you.

42.  "Er, I don't know. "

43.  As we all know, girls in our institute are exploited as boys.

44.  God knows.

45.  As we all know, in our institute, girls are exploited as boys.

46.  God knows.

47.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

48.  I got to know that he is a Shanghainese and a music enthusiast.

49.  As for me, I was used to classify them into different groups by first impression in order to know them faster and easier .

50.  I got to know that he is a Shanghainese and a music enthusiast.