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 Iwaslatethismorningbecausemyalarmclockfailedto

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問題詳情:

 Iwaslatethismorningbecausemyalarmclockfailedto

 I was late this morning because my alarm clock failed to _____.

A. turn off        B. pull through      C. go off          D. switch off

【回答】

C

知識點:動詞

題型:選擇題