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 Astheworldchangesfasterthenever,ourgreatestconcernisma...

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問題詳情:

 Astheworldchangesfasterthenever,ourgreatestconcernisma...

 As the world changes faster then ever, our greatest concern is making sure that         of these changes do us harm .  

A. any    B. some    C. neither    D. none

【回答】

D

知識點:代詞

題型:選擇題

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