71.  She was short and slender.

72.  The backpack he was carrying was almost as long as the half of his height.

73.  The thoughts of fighting for the game and never give up were all around me, although the feeling of my throat was only dry.

74.  Any book is Ok.

75.  We are tired of study so we are crazy about participating in events.

76.  Freshmen are usually interested in many activities so they join in four or five or more at the same time.

77.  Her speech was so attractive that it made more than 100 students gathered in the classroom.

78.  "Teachers are always right. "

79.  This trip was full of excitement.

80.  The river was so clear that I could see the bottom.