81.  "\

82.  So it is necessary to make a change.

83.  The dorm was stuffy so I paced out to the balcony in order to get some fresh air.

84.  When he was speaking, he was so regrettable.

85.  So what we need is to get out of the old idea and observe the outside world in a new way.

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

87.  But what I want to say is that what we see from our eyes is not always so real.

88.  They are so devoted in their working that none of them even ever looking up.

89.  It doesn't matter if you give me a wrong answer, so raise your hands.

90.  So let's try to break this stereotype, and have a better class.