71.  I was so strange that I was sure I didn't know her before.

72.  After I knew more about her, I began to know that she is also a fashionable girl.

73.  Whoever knows or doesn't know the answer is doing his or her own things, such as surfing the internet, playing games and reading novels.

74.  "Who knows the answer?

75.  Everyone is waiting for someone standing out and answering the question, since they all believe that there must be a "someone" who knows the answer will stand out just as they believe that "someone" can never be themselves.

76.  Don't they know the answer?

77.  But no one wants to be the one who answer the question for they all know there will finally be a one.

78.  "You know, I dare say that person is not a good guy judging from his appearance. "

79.  I knew her reason for saying such things.

80.  As his friend I know that he is very kind and helpful and he is quite good at violin.