81. Children like movies, but most adults do not.                                               

      82. We can learn from motion pictures.                                                               

      83. Prehistoric artists showed motion in the cave paintings.                               

      84. An American made the first movie.                                                               

      85. Movies were popular in Europe at the end of the 19th century.                   

      86. Movies are the same today as they were in 1920.                                         

      87. Inventors added sounds and colors to movies at the same time.                   .................

      88. It is expensive to make movies.