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    32．When he was making himself a cup of tea.his parents unexpectedly． A．have been arriving B．has been arrived C．arrived D．had arrived 【查看更多】

     

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    When he was making himself a cup of tea，his parents             unexpectedly．

    A．have been arriving                    B．has been arrived

    C．arrived                                    D．had arrived

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    When he was making himself a cup of tea，his parents             unexpectedly．

    A．have been arriving               B．has been arrived       

    C．arrived                       D．had arrived

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