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    Do you think maths useful subject? A. is a B. is an C. are a D. are an 【查看更多】

     

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    Do you think maths ______ useful subject?
    [     ]
    A. is a
    B. is an
    C. are a
    D. are an

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     Do you think Maths ______ useful subject?

    A. is a                  B. is an                    C. are a                D. are an

     

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    Do you think Maths __________ useful subject?

    A．is a

    B．is an

    C．are a

    D．are an

     

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    Do you think maths ________ ________ useful subject?

    [　　]

    A．is; a
    B．is; an
    C．are; a
    D．are; an

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    Do you think maths ________　________ useful subject?

    [　　]

    A．is; a

    B．is; an

    C．are; a

    D．are; an

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