81.  It really surprised me that Jack could play this kind of music instrument terrifically.

82.  But the more people I contact , the more invalid I find this method is.

83.  It really surprised me that Jack could play this kind of music instrument terrifically.

84.  But the more people I contact , the more invalid I find this method is.

85.  It really surprised me that Jack could play this kind of music instrument terrifically.

86.  But the more people I contact , the more invalid I find this method is.

87.  It really surprised me that Jack could play this kind of music instrument terrifically.

88.  I asked her with my eyes opened widely, "Don't you think it is hard to learn this for female students?

89.  Just like it is very normal for students majored in science to choose liberal arts courses as their selected courses, but most people cannot understand students majored in arts choose science courses as their selected courses, this is the stereotype.

90.  I formed this thought at the beginning and gave up soon.