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(1分)Thomas Edison was an American.His    have greatly changed the world.(发明)

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would be    has been    had been    was  
an; a    the; the    a; the    an; the  
whom    whose    which    his  
change  revolution   reform  evolution  
invented    is inventing    was invented    Invents  
composed of    constituted in      consisted of    comprised in  
invented  discovered  found  developed  
would be  has been  had been  was  
would be    has been    was    had been  
composed of    constituted in    consisted of    comprised in  
composed of    constituted in    consisted of    comprised in  
electrical  electronic   electric  electricity  
would be    has been    had been    was  
would be    has been    had been    was  
Because they had a device called kinetoscope.  Because they asked Thomas Edison to help them.  Because they got a way of using their own devices.  Because Thomas Edison had successfully solved certain problems.  
thanks to    regardless of    aside from    but for  

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