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    20．I should have written to you earlier, but rather busy recently. A．I’ve been B．I’d been C．I’m being D．I were 【查看更多】

     

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    I should have written to you earlier, but         rather busy recently.

    A．I’ve been  B．I’d been    C．I’m being  D．I were

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    I should have written to you earlier, but ________ rather busy recently.

    [　　]

    A．I've been
    B．I'd been
    C．I'm being
    D．I were

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    I should have written to you earlier, but ________ rather busy recently．

    [　　]
    A．

    I’ve been

    B．

    I’d been

    C．

    I’m being

    D．

    I were

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