30、--- 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

30、B

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科目：高中英語 來源： 題型：

--- 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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科目：高中英語 來源： 題型：

—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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