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    -What’s most useful invention in the 20th century? - computer, I think. A. the, A B. a, A C. the, The D. /, The 【查看更多】

     

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    —What’s ______ most useful invention in the 20th century?

                —______ computer, I think.

    A. the, A                             B. a, A                        C. the, The                 D. /, The

     

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    —What’s _____most useful invention in the 20th century?

      —_____ computer, I think.

    A. the, A          B. a, A            C. the, The        D. /, The

     

     

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    — What's _____ most useful invention in the 20th century?
    — _____ computer, I think.

    [     ]

    A. the, A
    B. a, A
    C. the, The
    D. /, The

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    —What’s _____most useful invention in the 20th century? 

    —_____ computer, I think.


    1. A.
      the, A
    2. B.
      a, A
    3. C.
      the, The
    4. D.
      /, The

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    —What’s _____most useful invention in the 20th century?
    —_____ computer, I think.
    A．the, A B．a, A C．the, TheD．/, The

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