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    of my sisters are experts in agriculture. Helping the farmers improve their farming techniques their duty. A. Each; are B. Both; is C. Neither; are D. None; is 【查看更多】

     

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    ________ of my sisters are experts in agriculture. Helping the farmers improve their

       farming techniques _________their duty.

    A. Each; are               B. Both; is                  C. Neither; are                            D. None; is

     

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    ________ of my sisters are experts in agriculture. Helping the farmers improve their  farming techniques _________their duty.


    1. A.
      Each; are
    2. B.
      Both; is
    3. C.
      Neither; are
    4. D.
      None; is

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    ________ of my sisters are experts in agriculture. Helping the farmers improve their

       farming techniques _________their duty.

    A. Each; are          B. Both; is             C. Neither; are                     D. None; is

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    ________ of my sisters are experts in agriculture. Helping the farmers improve their
    farming techniques _________their duty.

    A．Each; areB．Both; isC．Neither; areD．None; is

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     ________ of my sisters are experts in agriculture. Helping the farmers improve their

       farming techniques _________their duty.

    A. Each; are           B. Both; is             C. Neither; are                     D. None; is

     

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