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PP4 (T3.1) Present Perfect Simple Vs, Past Simpl ...
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Timoci Naulusala is inspire people around the world to help protect the environment.
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In 1876, Alfred Noble has invented dynamite to use in mines.
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Bana al Abed has make people around the world aware of the war in Syria.
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Thomas Edison have invented the light bulb to allow people to see better in the dark.
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Alexander Graham Bell’s discovery of the telephone has help millions of people to communicate.
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George Washington Carver work with plants and discover over 300 uses for peanuts.
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