Make the following sentences negative and interrogative,as in the example
1.(example)First Skateboards were made in the 1950s
Were first skateboards mede in the 1950s?
First skateboards were not made in the 1950s
2.Skateboarding was originally called sidewalk surfing.
3.Babe Didrikson Zaharias was awared with teo gold medals for track-and-field events at the 1932 Olympic Games.
4.The Olympic Games were first held at Olympia in Ancient Greece.