Charles Babbage is generally considered the first computer. A. having invented B. inventing C. to have invented D. to invent 查看更多

 

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Charles Babbage is generally considered ___ the first computer.

    A. having invented    B.  inventing    C. to have invented    D. to invent

 

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Charles Babbage is generally considered ________ the first computer.

A. to invent     B. inventing     C. to have invented     D. having invented

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Charles Babbage is generally considered______-the first computer.

          A. to invent   B .inventing   C. to have invented   D. having invented

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Charles Babbage is generally considered ____ the first computer.

A. to have invented        B. inventing                C. to invent                   D. having invented

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Charles Babbage is generally considered ______ the first computer.

A.to invent          B.inventing          C.to have invented    D.having invented

 

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