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    31．-Sorry, I overslept .I forgot to set the alarm. -Your clock .Perhaps you should buy a new one. A．never worked B．never works C．had never worked D．is never working 【查看更多】

     

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    --- Sorry, I overslept. I forgot to set the alarm.

    --- Your clock ____ . Perhaps you should buy a new one.

       A. never worked                                  B. never works

       C. had never worked                             D. is never working

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    —Sorry, I overslept .I forgot to set the alarm.

    —Your clock         .Perhaps you should buy a new one.

    A．never worked   B．never works     C．had never worked    D．is never working

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