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    It is believed that European scientist invented . A. an; a television B. a; a television C. an; the television D. a; the television 【查看更多】

     

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    It is believed that _____ European scientist invented _______.      

    A. an; a television       B. a; a television        C. an; the television   D. a; the television    

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    It is believed that _____ European scientist invented _______.　　　

    A. an; a television　 　 B. a; a television　 　 C. an; the television　 D. a; the television　　

     

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