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    -Marcia is good b speaking. -Yes, and she can do better math. A． at, at B． in, in C． in, at D． at, in 【查看更多】

     

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    — Marcia is good             speaking.
    — Yes, and she can do better             math.
    [     ]
    A．at, at
    B．in, in
    C．in, at
    D．at, in

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    —Marcia is good        speaking.

    —Yes, and she can do better        math.  

    A． at, at         B． in, in         C． in, at         D． at, in

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