81.  But there's one thing I know is ture : the Chinese food is considered to be healthiest diet in the world.

82.  All kinds of things are made in Gangdong.

83.  He mot trouble thing was to see the video recording of physics experiment.

84.  A very unhappy thing was happened in this week--- my little tortoise is dead.

85.  But I couldn't change the thing, the little tortoise still as died .

86.  In the past few days, the people of Guang zhou were interested in a thing.

87.  It is slow to do things.

88.  I often do things slowly than others .

89.  And it tells me the important thing is not to pluck flowers and take good care of them.

90.  The important thing was they could try their best for class.